Home / 880,936.20-1,321,404.30-725,416.20

Finding the Fourth Proportional to 880,936.20, 1,321,404.30 and 725,416.20

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Solution

The fourth proportional to 880,936.20, 1,321,404.30 and 725,416.20 is: 1,088,124.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,936.20 : 1,321,404.30 = 725,416.20 : x
  2. Step 2: Convert to fraction form
    880,936.20/1,321,404.30 = 725,416.20/x
  3. Step 3: Cross multiply
    880,936.20x = 1,321,404.30 × 725,416.20
  4. Step 4: Simplify right side
    880,936.20x = 958,568,085,969.66
  5. Step 5: Solve for x
    x = 958,568,085,969.66/880,936.20
  6. Step 6: Final answer
    x = 1,088,124.30

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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.