Home / 861,855.74-1,292,350.89-502,143.02

Finding the Fourth Proportional to 861,855.74, 1,292,350.89 and 502,143.02

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Solution

The fourth proportional to 861,855.74, 1,292,350.89 and 502,143.02 is: 752,962.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,855.74 : 1,292,350.89 = 502,143.02 : x
  2. Step 2: Convert to fraction form
    861,855.74/1,292,350.89 = 502,143.02/x
  3. Step 3: Cross multiply
    861,855.74x = 1,292,350.89 × 502,143.02
  4. Step 4: Simplify right side
    861,855.74x = 648,944,978,804.29
  5. Step 5: Solve for x
    x = 648,944,978,804.29/861,855.74
  6. Step 6: Final answer
    x = 752,962.41

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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.