Home / 394,618.91-591,744.31-205,028.28

Finding the Fourth Proportional to 394,618.91, 591,744.31 and 205,028.28

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Solution

The fourth proportional to 394,618.91, 591,744.31 and 205,028.28 is: 307,446.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,618.91 : 591,744.31 = 205,028.28 : x
  2. Step 2: Convert to fraction form
    394,618.91/591,744.31 = 205,028.28/x
  3. Step 3: Cross multiply
    394,618.91x = 591,744.31 × 205,028.28
  4. Step 4: Simplify right side
    394,618.91x = 121,324,317,566.52
  5. Step 5: Solve for x
    x = 121,324,317,566.52/394,618.91
  6. Step 6: Final answer
    x = 307,446.79

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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.