Home / 861,911.91-1,292,435.33-502,199.01

Finding the Fourth Proportional to 861,911.91, 1,292,435.33 and 502,199.01

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Solution

The fourth proportional to 861,911.91, 1,292,435.33 and 502,199.01 is: 753,046.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,911.91 : 1,292,435.33 = 502,199.01 : x
  2. Step 2: Convert to fraction form
    861,911.91/1,292,435.33 = 502,199.01/x
  3. Step 3: Cross multiply
    861,911.91x = 1,292,435.33 × 502,199.01
  4. Step 4: Simplify right side
    861,911.91x = 649,059,740,704.03
  5. Step 5: Solve for x
    x = 649,059,740,704.03/861,911.91
  6. Step 6: Final answer
    x = 753,046.49

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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.