Home / 725,695.76-1,088,547.10-220,261.14

Finding the Fourth Proportional to 725,695.76, 1,088,547.10 and 220,261.14

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Solution

The fourth proportional to 725,695.76, 1,088,547.10 and 220,261.14 is: 330,392.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,695.76 : 1,088,547.10 = 220,261.14 : x
  2. Step 2: Convert to fraction form
    725,695.76/1,088,547.10 = 220,261.14/x
  3. Step 3: Cross multiply
    725,695.76x = 1,088,547.10 × 220,261.14
  4. Step 4: Simplify right side
    725,695.76x = 239,764,625,189.69
  5. Step 5: Solve for x
    x = 239,764,625,189.69/725,695.76
  6. Step 6: Final answer
    x = 330,392.76

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Double scale
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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.