Home / 725,880.06-1,088,821.84-220,444.88

Finding the Fourth Proportional to 725,880.06, 1,088,821.84 and 220,444.88

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Solution

The fourth proportional to 725,880.06, 1,088,821.84 and 220,444.88 is: 330,667.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,880.06 : 1,088,821.84 = 220,444.88 : x
  2. Step 2: Convert to fraction form
    725,880.06/1,088,821.84 = 220,444.88/x
  3. Step 3: Cross multiply
    725,880.06x = 1,088,821.84 × 220,444.88
  4. Step 4: Simplify right side
    725,880.06x = 240,025,199,860.18
  5. Step 5: Solve for x
    x = 240,025,199,860.18/725,880.06
  6. Step 6: Final answer
    x = 330,667.85

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Similar ratio
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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.