Home / 725,078.80-1,087,618.20-725,078.80

Finding the Fourth Proportional to 725,078.80, 1,087,618.20 and 725,078.80

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Solution

The fourth proportional to 725,078.80, 1,087,618.20 and 725,078.80 is: 1,087,618.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,078.80 : 1,087,618.20 = 725,078.80 : x
  2. Step 2: Convert to fraction form
    725,078.80/1,087,618.20 = 725,078.80/x
  3. Step 3: Cross multiply
    725,078.80x = 1,087,618.20 × 725,078.80
  4. Step 4: Simplify right side
    725,078.80x = 788,608,899,314.16
  5. Step 5: Solve for x
    x = 788,608,899,314.16/725,078.80
  6. Step 6: Final answer
    x = 1,087,618.20

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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.