Home / 486,935.25-730,172.97-284,589.38

Finding the Fourth Proportional to 486,935.25, 730,172.97 and 284,589.38

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Solution

The fourth proportional to 486,935.25, 730,172.97 and 284,589.38 is: 426,749.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,935.25 : 730,172.97 = 284,589.38 : x
  2. Step 2: Convert to fraction form
    486,935.25/730,172.97 = 284,589.38/x
  3. Step 3: Cross multiply
    486,935.25x = 730,172.97 × 284,589.38
  4. Step 4: Simplify right side
    486,935.25x = 207,799,469,174.19
  5. Step 5: Solve for x
    x = 207,799,469,174.19/486,935.25
  6. Step 6: Final answer
    x = 426,749.69

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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.