Home / 840,713.52-1,160,212.68-458,761.28

Finding the Fourth Proportional to 840,713.52, 1,160,212.68 and 458,761.28

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Solution

The fourth proportional to 840,713.52, 1,160,212.68 and 458,761.28 is: 633,105.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,713.52 : 1,160,212.68 = 458,761.28 : x
  2. Step 2: Convert to fraction form
    840,713.52/1,160,212.68 = 458,761.28/x
  3. Step 3: Cross multiply
    840,713.52x = 1,160,212.68 × 458,761.28
  4. Step 4: Simplify right side
    840,713.52x = 532,260,654,149.03
  5. Step 5: Solve for x
    x = 532,260,654,149.03/840,713.52
  6. Step 6: Final answer
    x = 633,105.86

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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.