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Finding the Fourth Proportional to 888,474.26, 1,332,310.71 and 439,019.90

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Solution

The fourth proportional to 888,474.26, 1,332,310.71 and 439,019.90 is: 658,331.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,474.26 : 1,332,310.71 = 439,019.90 : x
  2. Step 2: Convert to fraction form
    888,474.26/1,332,310.71 = 439,019.90/x
  3. Step 3: Cross multiply
    888,474.26x = 1,332,310.71 × 439,019.90
  4. Step 4: Simplify right side
    888,474.26x = 584,910,914,673.13
  5. Step 5: Solve for x
    x = 584,910,914,673.13/888,474.26
  6. Step 6: Final answer
    x = 658,331.86

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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.