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Finding the Fourth Proportional to 479,571.62, 661,808.87 and 264,711.74

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Solution

The fourth proportional to 479,571.62, 661,808.87 and 264,711.74 is: 365,302.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,571.62 : 661,808.87 = 264,711.74 : x
  2. Step 2: Convert to fraction form
    479,571.62/661,808.87 = 264,711.74/x
  3. Step 3: Cross multiply
    479,571.62x = 661,808.87 × 264,711.74
  4. Step 4: Simplify right side
    479,571.62x = 175,188,572,892.53
  5. Step 5: Solve for x
    x = 175,188,572,892.53/479,571.62
  6. Step 6: Final answer
    x = 365,302.21

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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.