Home / 641,481.66-962,436.26-215,059.65

Finding the Fourth Proportional to 641,481.66, 962,436.26 and 215,059.65

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Solution

The fourth proportional to 641,481.66, 962,436.26 and 215,059.65 is: 322,661.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,481.66 : 962,436.26 = 215,059.65 : x
  2. Step 2: Convert to fraction form
    641,481.66/962,436.26 = 215,059.65/x
  3. Step 3: Cross multiply
    641,481.66x = 962,436.26 × 215,059.65
  4. Step 4: Simplify right side
    641,481.66x = 206,981,205,222.91
  5. Step 5: Solve for x
    x = 206,981,205,222.91/641,481.66
  6. Step 6: Final answer
    x = 322,661.14

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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.