Home / 874,456.97-1,311,560.91-275,402.57

Finding the Fourth Proportional to 874,456.97, 1,311,560.91 and 275,402.57

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Solution

The fourth proportional to 874,456.97, 1,311,560.91 and 275,402.57 is: 413,064.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,456.97 : 1,311,560.91 = 275,402.57 : x
  2. Step 2: Convert to fraction form
    874,456.97/1,311,560.91 = 275,402.57/x
  3. Step 3: Cross multiply
    874,456.97x = 1,311,560.91 × 275,402.57
  4. Step 4: Simplify right side
    874,456.97x = 361,207,238,767.73
  5. Step 5: Solve for x
    x = 361,207,238,767.73/874,456.97
  6. Step 6: Final answer
    x = 413,064.63

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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.