Home / 861,935.38-1,292,460.19-462,911.76

Finding the Fourth Proportional to 861,935.38, 1,292,460.19 and 462,911.76

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Solution

The fourth proportional to 861,935.38, 1,292,460.19 and 462,911.76 is: 694,129.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,935.38 : 1,292,460.19 = 462,911.76 : x
  2. Step 2: Convert to fraction form
    861,935.38/1,292,460.19 = 462,911.76/x
  3. Step 3: Cross multiply
    861,935.38x = 1,292,460.19 × 462,911.76
  4. Step 4: Simplify right side
    861,935.38x = 598,295,020,125.56
  5. Step 5: Solve for x
    x = 598,295,020,125.56/861,935.38
  6. Step 6: Final answer
    x = 694,129.79

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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.