Home / 861,589.80-1,292,524.97-254,439.52

Finding the Fourth Proportional to 861,589.80, 1,292,524.97 and 254,439.52

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Solution

The fourth proportional to 861,589.80, 1,292,524.97 and 254,439.52 is: 381,700.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,589.80 : 1,292,524.97 = 254,439.52 : x
  2. Step 2: Convert to fraction form
    861,589.80/1,292,524.97 = 254,439.52/x
  3. Step 3: Cross multiply
    861,589.80x = 1,292,524.97 × 254,439.52
  4. Step 4: Simplify right side
    861,589.80x = 328,869,431,682.62
  5. Step 5: Solve for x
    x = 328,869,431,682.62/861,589.80
  6. Step 6: Final answer
    x = 381,700.70

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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.