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Finding the Fourth Proportional to 539,129.60, 808,694.40 and 532,131.20

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Solution

The fourth proportional to 539,129.60, 808,694.40 and 532,131.20 is: 798,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,129.60 : 808,694.40 = 532,131.20 : x
  2. Step 2: Convert to fraction form
    539,129.60/808,694.40 = 532,131.20/x
  3. Step 3: Cross multiply
    539,129.60x = 808,694.40 × 532,131.20
  4. Step 4: Simplify right side
    539,129.60x = 430,331,521,505.28
  5. Step 5: Solve for x
    x = 430,331,521,505.28/539,129.60
  6. Step 6: Final answer
    x = 798,196.80

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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.