Home / 993,403.40-1,490,105.10-245,449.40

Finding the Fourth Proportional to 993,403.40, 1,490,105.10 and 245,449.40

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Solution

The fourth proportional to 993,403.40, 1,490,105.10 and 245,449.40 is: 368,174.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,403.40 : 1,490,105.10 = 245,449.40 : x
  2. Step 2: Convert to fraction form
    993,403.40/1,490,105.10 = 245,449.40/x
  3. Step 3: Cross multiply
    993,403.40x = 1,490,105.10 × 245,449.40
  4. Step 4: Simplify right side
    993,403.40x = 365,745,402,731.94
  5. Step 5: Solve for x
    x = 365,745,402,731.94/993,403.40
  6. Step 6: Final answer
    x = 368,174.10

Related Problems

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Half scale
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Double scale
Find fourth proportional to 993,404.40, 1,490,106.60 and 245,450.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.