Home / 755,340.73-1,133,121.76-222,792.46

Finding the Fourth Proportional to 755,340.73, 1,133,121.76 and 222,792.46

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Solution

The fourth proportional to 755,340.73, 1,133,121.76 and 222,792.46 is: 334,221.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,340.73 : 1,133,121.76 = 222,792.46 : x
  2. Step 2: Convert to fraction form
    755,340.73/1,133,121.76 = 222,792.46/x
  3. Step 3: Cross multiply
    755,340.73x = 1,133,121.76 × 222,792.46
  4. Step 4: Simplify right side
    755,340.73x = 252,450,981,000.14
  5. Step 5: Solve for x
    x = 252,450,981,000.14/755,340.73
  6. Step 6: Final answer
    x = 334,221.33

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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.