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Finding the Fourth Proportional to 532,387.60, 798,581.40 and 437,909.20

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Solution

The fourth proportional to 532,387.60, 798,581.40 and 437,909.20 is: 656,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,387.60 : 798,581.40 = 437,909.20 : x
  2. Step 2: Convert to fraction form
    532,387.60/798,581.40 = 437,909.20/x
  3. Step 3: Cross multiply
    532,387.60x = 798,581.40 × 437,909.20
  4. Step 4: Simplify right side
    532,387.60x = 349,706,142,008.88
  5. Step 5: Solve for x
    x = 349,706,142,008.88/532,387.60
  6. Step 6: Final answer
    x = 656,863.80

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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.