Home / 861,917.40-1,292,443.56-502,204.52

Finding the Fourth Proportional to 861,917.40, 1,292,443.56 and 502,204.52

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Solution

The fourth proportional to 861,917.40, 1,292,443.56 and 502,204.52 is: 753,054.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,917.40 : 1,292,443.56 = 502,204.52 : x
  2. Step 2: Convert to fraction form
    861,917.40/1,292,443.56 = 502,204.52/x
  3. Step 3: Cross multiply
    861,917.40x = 1,292,443.56 × 502,204.52
  4. Step 4: Simplify right side
    861,917.40x = 649,070,997,676.89
  5. Step 5: Solve for x
    x = 649,070,997,676.89/861,917.40
  6. Step 6: Final answer
    x = 753,054.76

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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.