Home / 688,489.43-1,032,734.95-215,177.27

Finding the Fourth Proportional to 688,489.43, 1,032,734.95 and 215,177.27

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Solution

The fourth proportional to 688,489.43, 1,032,734.95 and 215,177.27 is: 322,766.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,489.43 : 1,032,734.95 = 215,177.27 : x
  2. Step 2: Convert to fraction form
    688,489.43/1,032,734.95 = 215,177.27/x
  3. Step 3: Cross multiply
    688,489.43x = 1,032,734.95 × 215,177.27
  4. Step 4: Simplify right side
    688,489.43x = 222,221,081,472.97
  5. Step 5: Solve for x
    x = 222,221,081,472.97/688,489.43
  6. Step 6: Final answer
    x = 322,766.15

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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.