Home / 557,092.76-772,721.17-542,326.97

Finding the Fourth Proportional to 557,092.76, 772,721.17 and 542,326.97

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Solution

The fourth proportional to 557,092.76, 772,721.17 and 542,326.97 is: 752,240.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,092.76 : 772,721.17 = 542,326.97 : x
  2. Step 2: Convert to fraction form
    557,092.76/772,721.17 = 542,326.97/x
  3. Step 3: Cross multiply
    557,092.76x = 772,721.17 × 542,326.97
  4. Step 4: Simplify right side
    557,092.76x = 419,067,531,356.94
  5. Step 5: Solve for x
    x = 419,067,531,356.94/557,092.76
  6. Step 6: Final answer
    x = 752,240.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.