Home / 725,422.01-1,088,131.61-192,943.60

Finding the Fourth Proportional to 725,422.01, 1,088,131.61 and 192,943.60

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Solution

The fourth proportional to 725,422.01, 1,088,131.61 and 192,943.60 is: 289,415.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,422.01 : 1,088,131.61 = 192,943.60 : x
  2. Step 2: Convert to fraction form
    725,422.01/1,088,131.61 = 192,943.60/x
  3. Step 3: Cross multiply
    725,422.01x = 1,088,131.61 × 192,943.60
  4. Step 4: Simplify right side
    725,422.01x = 209,948,027,869.23
  5. Step 5: Solve for x
    x = 209,948,027,869.23/725,422.01
  6. Step 6: Final answer
    x = 289,415.03

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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.