Home / 861,456.52-1,187,535.18-551,324.92

Finding the Fourth Proportional to 861,456.52, 1,187,535.18 and 551,324.92

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Solution

The fourth proportional to 861,456.52, 1,187,535.18 and 551,324.92 is: 760,012.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,456.52 : 1,187,535.18 = 551,324.92 : x
  2. Step 2: Convert to fraction form
    861,456.52/1,187,535.18 = 551,324.92/x
  3. Step 3: Cross multiply
    861,456.52x = 1,187,535.18 × 551,324.92
  4. Step 4: Simplify right side
    861,456.52x = 654,717,738,110.69
  5. Step 5: Solve for x
    x = 654,717,738,110.69/861,456.52
  6. Step 6: Final answer
    x = 760,012.52

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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.