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Finding the Fourth Proportional to 637,337.32, 879,327.04 and 361,649.52

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Solution

The fourth proportional to 637,337.32, 879,327.04 and 361,649.52 is: 498,963.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,337.32 : 879,327.04 = 361,649.52 : x
  2. Step 2: Convert to fraction form
    637,337.32/879,327.04 = 361,649.52/x
  3. Step 3: Cross multiply
    637,337.32x = 879,327.04 × 361,649.52
  4. Step 4: Simplify right side
    637,337.32x = 318,008,201,939.02
  5. Step 5: Solve for x
    x = 318,008,201,939.02/637,337.32
  6. Step 6: Final answer
    x = 498,963.72

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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.