Home / 471,569.09-650,664.42-280,545.17

Finding the Fourth Proportional to 471,569.09, 650,664.42 and 280,545.17

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Solution

The fourth proportional to 471,569.09, 650,664.42 and 280,545.17 is: 387,092.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,569.09 : 650,664.42 = 280,545.17 : x
  2. Step 2: Convert to fraction form
    471,569.09/650,664.42 = 280,545.17/x
  3. Step 3: Cross multiply
    471,569.09x = 650,664.42 × 280,545.17
  4. Step 4: Simplify right side
    471,569.09x = 182,540,757,068.53
  5. Step 5: Solve for x
    x = 182,540,757,068.53/471,569.09
  6. Step 6: Final answer
    x = 387,092.29

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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.