Home / 725,512.91-1,088,271.89-220,078.23

Finding the Fourth Proportional to 725,512.91, 1,088,271.89 and 220,078.23

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Solution

The fourth proportional to 725,512.91, 1,088,271.89 and 220,078.23 is: 330,118.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,512.91 : 1,088,271.89 = 220,078.23 : x
  2. Step 2: Convert to fraction form
    725,512.91/1,088,271.89 = 220,078.23/x
  3. Step 3: Cross multiply
    725,512.91x = 1,088,271.89 × 220,078.23
  4. Step 4: Simplify right side
    725,512.91x = 239,504,950,209.56
  5. Step 5: Solve for x
    x = 239,504,950,209.56/725,512.91
  6. Step 6: Final answer
    x = 330,118.11

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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.