Home / 498,265.20-747,397.80-478,582.20

Finding the Fourth Proportional to 498,265.20, 747,397.80 and 478,582.20

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Solution

The fourth proportional to 498,265.20, 747,397.80 and 478,582.20 is: 717,873.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,265.20 : 747,397.80 = 478,582.20 : x
  2. Step 2: Convert to fraction form
    498,265.20/747,397.80 = 478,582.20/x
  3. Step 3: Cross multiply
    498,265.20x = 747,397.80 × 478,582.20
  4. Step 4: Simplify right side
    498,265.20x = 357,691,283,399.16
  5. Step 5: Solve for x
    x = 357,691,283,399.16/498,265.20
  6. Step 6: Final answer
    x = 717,873.30

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Similar ratio
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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.