Home / 725,833.85-1,088,680.43-220,399.27

Finding the Fourth Proportional to 725,833.85, 1,088,680.43 and 220,399.27

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Solution

The fourth proportional to 725,833.85, 1,088,680.43 and 220,399.27 is: 330,577.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,833.85 : 1,088,680.43 = 220,399.27 : x
  2. Step 2: Convert to fraction form
    725,833.85/1,088,680.43 = 220,399.27/x
  3. Step 3: Cross multiply
    725,833.85x = 1,088,680.43 × 220,399.27
  4. Step 4: Simplify right side
    725,833.85x = 239,944,370,933.29
  5. Step 5: Solve for x
    x = 239,944,370,933.29/725,833.85
  6. Step 6: Final answer
    x = 330,577.54

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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.