Home / 725,843.22-1,088,694.43-220,408.57

Finding the Fourth Proportional to 725,843.22, 1,088,694.43 and 220,408.57

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Solution

The fourth proportional to 725,843.22, 1,088,694.43 and 220,408.57 is: 330,591.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,843.22 : 1,088,694.43 = 220,408.57 : x
  2. Step 2: Convert to fraction form
    725,843.22/1,088,694.43 = 220,408.57/x
  3. Step 3: Cross multiply
    725,843.22x = 1,088,694.43 × 220,408.57
  4. Step 4: Simplify right side
    725,843.22x = 239,957,582,483.27
  5. Step 5: Solve for x
    x = 239,957,582,483.27/725,843.22
  6. Step 6: Final answer
    x = 330,591.48

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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.