Home / 625,985.28-937,375.20-345,191.04

Finding the Fourth Proportional to 625,985.28, 937,375.20 and 345,191.04

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Solution

The fourth proportional to 625,985.28, 937,375.20 and 345,191.04 is: 516,902.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,985.28 : 937,375.20 = 345,191.04 : x
  2. Step 2: Convert to fraction form
    625,985.28/937,375.20 = 345,191.04/x
  3. Step 3: Cross multiply
    625,985.28x = 937,375.20 × 345,191.04
  4. Step 4: Simplify right side
    625,985.28x = 323,573,520,158.21
  5. Step 5: Solve for x
    x = 323,573,520,158.21/625,985.28
  6. Step 6: Final answer
    x = 516,902.76

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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.