Home / 884,132.70-1,326,199.05-285,113.40

Finding the Fourth Proportional to 884,132.70, 1,326,199.05 and 285,113.40

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Solution

The fourth proportional to 884,132.70, 1,326,199.05 and 285,113.40 is: 427,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,132.70 : 1,326,199.05 = 285,113.40 : x
  2. Step 2: Convert to fraction form
    884,132.70/1,326,199.05 = 285,113.40/x
  3. Step 3: Cross multiply
    884,132.70x = 1,326,199.05 × 285,113.40
  4. Step 4: Simplify right side
    884,132.70x = 378,117,120,222.27
  5. Step 5: Solve for x
    x = 378,117,120,222.27/884,132.70
  6. Step 6: Final answer
    x = 427,670.10

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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.