Home / 754,364.22-1,131,512.31-221,902.62

Finding the Fourth Proportional to 754,364.22, 1,131,512.31 and 221,902.62

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Solution

The fourth proportional to 754,364.22, 1,131,512.31 and 221,902.62 is: 332,843.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,364.22 : 1,131,512.31 = 221,902.62 : x
  2. Step 2: Convert to fraction form
    754,364.22/1,131,512.31 = 221,902.62/x
  3. Step 3: Cross multiply
    754,364.22x = 1,131,512.31 × 221,902.62
  4. Step 4: Simplify right side
    754,364.22x = 251,085,546,151.25
  5. Step 5: Solve for x
    x = 251,085,546,151.25/754,364.22
  6. Step 6: Final answer
    x = 332,843.92

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1.5x scale

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.