Home / 993,873.60-1,490,810.40-245,919.60

Finding the Fourth Proportional to 993,873.60, 1,490,810.40 and 245,919.60

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Solution

The fourth proportional to 993,873.60, 1,490,810.40 and 245,919.60 is: 368,879.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,873.60 : 1,490,810.40 = 245,919.60 : x
  2. Step 2: Convert to fraction form
    993,873.60/1,490,810.40 = 245,919.60/x
  3. Step 3: Cross multiply
    993,873.60x = 1,490,810.40 × 245,919.60
  4. Step 4: Simplify right side
    993,873.60x = 366,619,497,243.84
  5. Step 5: Solve for x
    x = 366,619,497,243.84/993,873.60
  6. Step 6: Final answer
    x = 368,879.40

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Double scale
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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.