Home / 861,591.30-1,292,527.22-254,441.02

Finding the Fourth Proportional to 861,591.30, 1,292,527.22 and 254,441.02

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Solution

The fourth proportional to 861,591.30, 1,292,527.22 and 254,441.02 is: 381,702.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,591.30 : 1,292,527.22 = 254,441.02 : x
  2. Step 2: Convert to fraction form
    861,591.30/1,292,527.22 = 254,441.02/x
  3. Step 3: Cross multiply
    861,591.30x = 1,292,527.22 × 254,441.02
  4. Step 4: Simplify right side
    861,591.30x = 328,871,944,234.56
  5. Step 5: Solve for x
    x = 328,871,944,234.56/861,591.30
  6. Step 6: Final answer
    x = 381,702.95

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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.