Home / 971,693.52-1,340,939.43-542,001.48

Finding the Fourth Proportional to 971,693.52, 1,340,939.43 and 542,001.48

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Solution

The fourth proportional to 971,693.52, 1,340,939.43 and 542,001.48 is: 747,963.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,693.52 : 1,340,939.43 = 542,001.48 : x
  2. Step 2: Convert to fraction form
    971,693.52/1,340,939.43 = 542,001.48/x
  3. Step 3: Cross multiply
    971,693.52x = 1,340,939.43 × 542,001.48
  4. Step 4: Simplify right side
    971,693.52x = 726,791,155,650.36
  5. Step 5: Solve for x
    x = 726,791,155,650.36/971,693.52
  6. Step 6: Final answer
    x = 747,963.37

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1.5x scale

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.