Home / 861,853.74-1,292,347.89-502,141.02

Finding the Fourth Proportional to 861,853.74, 1,292,347.89 and 502,141.02

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Solution

The fourth proportional to 861,853.74, 1,292,347.89 and 502,141.02 is: 752,959.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,853.74 : 1,292,347.89 = 502,141.02 : x
  2. Step 2: Convert to fraction form
    861,853.74/1,292,347.89 = 502,141.02/x
  3. Step 3: Cross multiply
    861,853.74x = 1,292,347.89 × 502,141.02
  4. Step 4: Simplify right side
    861,853.74x = 648,940,887,679.45
  5. Step 5: Solve for x
    x = 648,940,887,679.45/861,853.74
  6. Step 6: Final answer
    x = 752,959.41

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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.