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Finding the Fourth Proportional to 534,149.79, 737,126.88 and 292,447.71

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Solution

The fourth proportional to 534,149.79, 737,126.88 and 292,447.71 is: 403,577.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,149.79 : 737,126.88 = 292,447.71 : x
  2. Step 2: Convert to fraction form
    534,149.79/737,126.88 = 292,447.71/x
  3. Step 3: Cross multiply
    534,149.79x = 737,126.88 × 292,447.71
  4. Step 4: Simplify right side
    534,149.79x = 215,571,068,035.45
  5. Step 5: Solve for x
    x = 215,571,068,035.45/534,149.79
  6. Step 6: Final answer
    x = 403,577.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.