Home / 578,791.66-868,220.29-179,489.20

Finding the Fourth Proportional to 578,791.66, 868,220.29 and 179,489.20

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Solution

The fourth proportional to 578,791.66, 868,220.29 and 179,489.20 is: 269,243.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,791.66 : 868,220.29 = 179,489.20 : x
  2. Step 2: Convert to fraction form
    578,791.66/868,220.29 = 179,489.20/x
  3. Step 3: Cross multiply
    578,791.66x = 868,220.29 × 179,489.20
  4. Step 4: Simplify right side
    578,791.66x = 155,836,165,462.41
  5. Step 5: Solve for x
    x = 155,836,165,462.41/578,791.66
  6. Step 6: Final answer
    x = 269,243.97

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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.