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Finding the Fourth Proportional to 664,371.70, 996,557.55 and 365,773.30

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Solution

The fourth proportional to 664,371.70, 996,557.55 and 365,773.30 is: 548,659.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,371.70 : 996,557.55 = 365,773.30 : x
  2. Step 2: Convert to fraction form
    664,371.70/996,557.55 = 365,773.30/x
  3. Step 3: Cross multiply
    664,371.70x = 996,557.55 × 365,773.30
  4. Step 4: Simplify right side
    664,371.70x = 364,514,143,703.42
  5. Step 5: Solve for x
    x = 364,514,143,703.42/664,371.70
  6. Step 6: Final answer
    x = 548,659.95

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Similar ratio
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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.