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Finding the Fourth Proportional to 625,182.05, 862,752.13 and 338,702.13

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Solution

The fourth proportional to 625,182.05, 862,752.13 and 338,702.13 is: 467,409.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,182.05 : 862,752.13 = 338,702.13 : x
  2. Step 2: Convert to fraction form
    625,182.05/862,752.13 = 338,702.13/x
  3. Step 3: Cross multiply
    625,182.05x = 862,752.13 × 338,702.13
  4. Step 4: Simplify right side
    625,182.05x = 292,215,983,246.28
  5. Step 5: Solve for x
    x = 292,215,983,246.28/625,182.05
  6. Step 6: Final answer
    x = 467,409.42

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1.5x scale

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.