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Finding the Fourth Proportional to 565,487.06, 780,372.15 and 323,849.59

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Solution

The fourth proportional to 565,487.06, 780,372.15 and 323,849.59 is: 446,912.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,487.06 : 780,372.15 = 323,849.59 : x
  2. Step 2: Convert to fraction form
    565,487.06/780,372.15 = 323,849.59/x
  3. Step 3: Cross multiply
    565,487.06x = 780,372.15 × 323,849.59
  4. Step 4: Simplify right side
    565,487.06x = 252,723,198,873.99
  5. Step 5: Solve for x
    x = 252,723,198,873.99/565,487.06
  6. Step 6: Final answer
    x = 446,912.43

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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.