Home / 641,727.27-885,632.81-366,091.20

Finding the Fourth Proportional to 641,727.27, 885,632.81 and 366,091.20

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Solution

The fourth proportional to 641,727.27, 885,632.81 and 366,091.20 is: 505,233.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,727.27 : 885,632.81 = 366,091.20 : x
  2. Step 2: Convert to fraction form
    641,727.27/885,632.81 = 366,091.20/x
  3. Step 3: Cross multiply
    641,727.27x = 885,632.81 × 366,091.20
  4. Step 4: Simplify right side
    641,727.27x = 324,222,376,341.82
  5. Step 5: Solve for x
    x = 324,222,376,341.82/641,727.27
  6. Step 6: Final answer
    x = 505,233.91

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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.