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Finding the Fourth Proportional to 625,737.20, 863,464.19 and 353,767.37

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Solution

The fourth proportional to 625,737.20, 863,464.19 and 353,767.37 is: 488,168.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,737.20 : 863,464.19 = 353,767.37 : x
  2. Step 2: Convert to fraction form
    625,737.20/863,464.19 = 353,767.37/x
  3. Step 3: Cross multiply
    625,737.20x = 863,464.19 × 353,767.37
  4. Step 4: Simplify right side
    625,737.20x = 305,465,449,499.32
  5. Step 5: Solve for x
    x = 305,465,449,499.32/625,737.20
  6. Step 6: Final answer
    x = 488,168.92

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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.