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Finding the Fourth Proportional to 637,575.06, 879,622.49 and 361,773.20

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Solution

The fourth proportional to 637,575.06, 879,622.49 and 361,773.20 is: 499,115.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,575.06 : 879,622.49 = 361,773.20 : x
  2. Step 2: Convert to fraction form
    637,575.06/879,622.49 = 361,773.20/x
  3. Step 3: Cross multiply
    637,575.06x = 879,622.49 × 361,773.20
  4. Step 4: Simplify right side
    637,575.06x = 318,223,844,067.78
  5. Step 5: Solve for x
    x = 318,223,844,067.78/637,575.06
  6. Step 6: Final answer
    x = 499,115.89

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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.