Home / 661,632.91-913,155.33-375,092.17

Finding the Fourth Proportional to 661,632.91, 913,155.33 and 375,092.17

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Solution

The fourth proportional to 661,632.91, 913,155.33 and 375,092.17 is: 517,684.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,632.91 : 913,155.33 = 375,092.17 : x
  2. Step 2: Convert to fraction form
    661,632.91/913,155.33 = 375,092.17/x
  3. Step 3: Cross multiply
    661,632.91x = 913,155.33 × 375,092.17
  4. Step 4: Simplify right side
    661,632.91x = 342,517,414,276.77
  5. Step 5: Solve for x
    x = 342,517,414,276.77/661,632.91
  6. Step 6: Final answer
    x = 517,684.97

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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.