Home / 625,275.18-862,895.79-383,691.24

Finding the Fourth Proportional to 625,275.18, 862,895.79 and 383,691.24

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Solution

The fourth proportional to 625,275.18, 862,895.79 and 383,691.24 is: 529,503.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,275.18 : 862,895.79 = 383,691.24 : x
  2. Step 2: Convert to fraction form
    625,275.18/862,895.79 = 383,691.24/x
  3. Step 3: Cross multiply
    625,275.18x = 862,895.79 × 383,691.24
  4. Step 4: Simplify right side
    625,275.18x = 331,085,555,655.88
  5. Step 5: Solve for x
    x = 331,085,555,655.88/625,275.18
  6. Step 6: Final answer
    x = 529,503.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.