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Finding the Fourth Proportional to 625,096.63, 862,633.29 and 338,616.64

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Solution

The fourth proportional to 625,096.63, 862,633.29 and 338,616.64 is: 467,290.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,096.63 : 862,633.29 = 338,616.64 : x
  2. Step 2: Convert to fraction form
    625,096.63/862,633.29 = 338,616.64/x
  3. Step 3: Cross multiply
    625,096.63x = 862,633.29 × 338,616.64
  4. Step 4: Simplify right side
    625,096.63x = 292,101,986,211.95
  5. Step 5: Solve for x
    x = 292,101,986,211.95/625,096.63
  6. Step 6: Final answer
    x = 467,290.93

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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.