Home / 859,392.13-1,289,083.07-219,694.85

Finding the Fourth Proportional to 859,392.13, 1,289,083.07 and 219,694.85

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Solution

The fourth proportional to 859,392.13, 1,289,083.07 and 219,694.85 is: 329,540.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,392.13 : 1,289,083.07 = 219,694.85 : x
  2. Step 2: Convert to fraction form
    859,392.13/1,289,083.07 = 219,694.85/x
  3. Step 3: Cross multiply
    859,392.13x = 1,289,083.07 × 219,694.85
  4. Step 4: Simplify right side
    859,392.13x = 283,204,915,473.13
  5. Step 5: Solve for x
    x = 283,204,915,473.13/859,392.13
  6. Step 6: Final answer
    x = 329,540.97

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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.