Home / 725,661.20-1,088,494.20-220,226.48

Finding the Fourth Proportional to 725,661.20, 1,088,494.20 and 220,226.48

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Solution

The fourth proportional to 725,661.20, 1,088,494.20 and 220,226.48 is: 330,340.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,661.20 : 1,088,494.20 = 220,226.48 : x
  2. Step 2: Convert to fraction form
    725,661.20/1,088,494.20 = 220,226.48/x
  3. Step 3: Cross multiply
    725,661.20x = 1,088,494.20 × 220,226.48
  4. Step 4: Simplify right side
    725,661.20x = 239,715,246,166.42
  5. Step 5: Solve for x
    x = 239,715,246,166.42/725,661.20
  6. Step 6: Final answer
    x = 330,340.45

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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.