Home / 725,056.13-1,087,584.65-275,673.20

Finding the Fourth Proportional to 725,056.13, 1,087,584.65 and 275,673.20

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Solution

The fourth proportional to 725,056.13, 1,087,584.65 and 275,673.20 is: 413,509.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,056.13 : 1,087,584.65 = 275,673.20 : x
  2. Step 2: Convert to fraction form
    725,056.13/1,087,584.65 = 275,673.20/x
  3. Step 3: Cross multiply
    725,056.13x = 1,087,584.65 × 275,673.20
  4. Step 4: Simplify right side
    725,056.13x = 299,817,933,920.09
  5. Step 5: Solve for x
    x = 299,817,933,920.09/725,056.13
  6. Step 6: Final answer
    x = 413,509.97

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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.