Home / 680,639.26-1,021,112.52-225,229.34

Finding the Fourth Proportional to 680,639.26, 1,021,112.52 and 225,229.34

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Solution

The fourth proportional to 680,639.26, 1,021,112.52 and 225,229.34 is: 337,894.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,639.26 : 1,021,112.52 = 225,229.34 : x
  2. Step 2: Convert to fraction form
    680,639.26/1,021,112.52 = 225,229.34/x
  3. Step 3: Cross multiply
    680,639.26x = 1,021,112.52 × 225,229.34
  4. Step 4: Simplify right side
    680,639.26x = 229,984,498,945.34
  5. Step 5: Solve for x
    x = 229,984,498,945.34/680,639.26
  6. Step 6: Final answer
    x = 337,894.85

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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.