Home / 725,507.90-1,088,264.38-220,073.23

Finding the Fourth Proportional to 725,507.90, 1,088,264.38 and 220,073.23

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Solution

The fourth proportional to 725,507.90, 1,088,264.38 and 220,073.23 is: 330,110.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,507.90 : 1,088,264.38 = 220,073.23 : x
  2. Step 2: Convert to fraction form
    725,507.90/1,088,264.38 = 220,073.23/x
  3. Step 3: Cross multiply
    725,507.90x = 1,088,264.38 × 220,073.23
  4. Step 4: Simplify right side
    725,507.90x = 239,497,857,200.55
  5. Step 5: Solve for x
    x = 239,497,857,200.55/725,507.90
  6. Step 6: Final answer
    x = 330,110.61

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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.