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Finding the Fourth Proportional to 437,770.71, 654,654.96 and 318,229.29

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Solution

The fourth proportional to 437,770.71, 654,654.96 and 318,229.29 is: 475,889.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,770.71 : 654,654.96 = 318,229.29 : x
  2. Step 2: Convert to fraction form
    437,770.71/654,654.96 = 318,229.29/x
  3. Step 3: Cross multiply
    437,770.71x = 654,654.96 × 318,229.29
  4. Step 4: Simplify right side
    437,770.71x = 208,330,383,115.78
  5. Step 5: Solve for x
    x = 208,330,383,115.78/437,770.71
  6. Step 6: Final answer
    x = 475,889.27

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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.