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Finding the Fourth Proportional to 479,593.71, 661,843.91 and 264,729.16

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Solution

The fourth proportional to 479,593.71, 661,843.91 and 264,729.16 is: 365,328.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,593.71 : 661,843.91 = 264,729.16 : x
  2. Step 2: Convert to fraction form
    479,593.71/661,843.91 = 264,729.16/x
  3. Step 3: Cross multiply
    479,593.71x = 661,843.91 × 264,729.16
  4. Step 4: Simplify right side
    479,593.71x = 175,209,383,834.54
  5. Step 5: Solve for x
    x = 175,209,383,834.54/479,593.71
  6. Step 6: Final answer
    x = 365,328.78

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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.