Home / 725,711.20-1,088,566.80-220,271.20

Finding the Fourth Proportional to 725,711.20, 1,088,566.80 and 220,271.20

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Solution

The fourth proportional to 725,711.20, 1,088,566.80 and 220,271.20 is: 330,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,711.20 : 1,088,566.80 = 220,271.20 : x
  2. Step 2: Convert to fraction form
    725,711.20/1,088,566.80 = 220,271.20/x
  3. Step 3: Cross multiply
    725,711.20x = 1,088,566.80 × 220,271.20
  4. Step 4: Simplify right side
    725,711.20x = 239,779,915,316.16
  5. Step 5: Solve for x
    x = 239,779,915,316.16/725,711.20
  6. Step 6: Final answer
    x = 330,406.80

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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.