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Finding the Fourth Proportional to 625,012.92, 862,519.26 and 338,532.12

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Solution

The fourth proportional to 625,012.92, 862,519.26 and 338,532.12 is: 467,175.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,012.92 : 862,519.26 = 338,532.12 : x
  2. Step 2: Convert to fraction form
    625,012.92/862,519.26 = 338,532.12/x
  3. Step 3: Cross multiply
    625,012.92x = 862,519.26 × 338,532.12
  4. Step 4: Simplify right side
    625,012.92x = 291,990,473,628.63
  5. Step 5: Solve for x
    x = 291,990,473,628.63/625,012.92
  6. Step 6: Final answer
    x = 467,175.10

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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.