Home / 725,512.40-1,088,271.13-220,077.73

Finding the Fourth Proportional to 725,512.40, 1,088,271.13 and 220,077.73

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Solution

The fourth proportional to 725,512.40, 1,088,271.13 and 220,077.73 is: 330,117.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,512.40 : 1,088,271.13 = 220,077.73 : x
  2. Step 2: Convert to fraction form
    725,512.40/1,088,271.13 = 220,077.73/x
  3. Step 3: Cross multiply
    725,512.40x = 1,088,271.13 × 220,077.73
  4. Step 4: Simplify right side
    725,512.40x = 239,504,239,914.94
  5. Step 5: Solve for x
    x = 239,504,239,914.94/725,512.40
  6. Step 6: Final answer
    x = 330,117.36

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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.