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Finding the Fourth Proportional to 664,314.70, 996,472.05 and 365,716.30

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Solution

The fourth proportional to 664,314.70, 996,472.05 and 365,716.30 is: 548,574.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,314.70 : 996,472.05 = 365,716.30 : x
  2. Step 2: Convert to fraction form
    664,314.70/996,472.05 = 365,716.30/x
  3. Step 3: Cross multiply
    664,314.70x = 996,472.05 × 365,716.30
  4. Step 4: Simplify right side
    664,314.70x = 364,426,071,179.42
  5. Step 5: Solve for x
    x = 364,426,071,179.42/664,314.70
  6. Step 6: Final answer
    x = 548,574.45

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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.