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Finding the Fourth Proportional to 664,372.20, 996,558.30 and 365,773.80

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Solution

The fourth proportional to 664,372.20, 996,558.30 and 365,773.80 is: 548,660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,372.20 : 996,558.30 = 365,773.80 : x
  2. Step 2: Convert to fraction form
    664,372.20/996,558.30 = 365,773.80/x
  3. Step 3: Cross multiply
    664,372.20x = 996,558.30 × 365,773.80
  4. Step 4: Simplify right side
    664,372.20x = 364,514,916,312.54
  5. Step 5: Solve for x
    x = 364,514,916,312.54/664,372.20
  6. Step 6: Final answer
    x = 548,660.70

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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.