Home / 861,852.24-1,292,345.64-502,139.52

Finding the Fourth Proportional to 861,852.24, 1,292,345.64 and 502,139.52

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Solution

The fourth proportional to 861,852.24, 1,292,345.64 and 502,139.52 is: 752,957.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,852.24 : 1,292,345.64 = 502,139.52 : x
  2. Step 2: Convert to fraction form
    861,852.24/1,292,345.64 = 502,139.52/x
  3. Step 3: Cross multiply
    861,852.24x = 1,292,345.64 × 502,139.52
  4. Step 4: Simplify right side
    861,852.24x = 648,937,819,343.69
  5. Step 5: Solve for x
    x = 648,937,819,343.69/861,852.24
  6. Step 6: Final answer
    x = 752,957.17

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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.