Home / 861,839.24-1,292,710.23-381,928.82

Finding the Fourth Proportional to 861,839.24, 1,292,710.23 and 381,928.82

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Solution

The fourth proportional to 861,839.24, 1,292,710.23 and 381,928.82 is: 572,871.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,839.24 : 1,292,710.23 = 381,928.82 : x
  2. Step 2: Convert to fraction form
    861,839.24/1,292,710.23 = 381,928.82/x
  3. Step 3: Cross multiply
    861,839.24x = 1,292,710.23 × 381,928.82
  4. Step 4: Simplify right side
    861,839.24x = 493,723,286,282.28
  5. Step 5: Solve for x
    x = 493,723,286,282.28/861,839.24
  6. Step 6: Final answer
    x = 572,871.68

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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.