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Finding the Fourth Proportional to 532,773.86, 797,884.12 and 388,292.43

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Solution

The fourth proportional to 532,773.86, 797,884.12 and 388,292.43 is: 581,508.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,773.86 : 797,884.12 = 388,292.43 : x
  2. Step 2: Convert to fraction form
    532,773.86/797,884.12 = 388,292.43/x
  3. Step 3: Cross multiply
    532,773.86x = 797,884.12 × 388,292.43
  4. Step 4: Simplify right side
    532,773.86x = 309,812,367,290.64
  5. Step 5: Solve for x
    x = 309,812,367,290.64/532,773.86
  6. Step 6: Final answer
    x = 581,508.20

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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.