Home / 725,902.20-1,088,853.30-282,670.20

Finding the Fourth Proportional to 725,902.20, 1,088,853.30 and 282,670.20

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Solution

The fourth proportional to 725,902.20, 1,088,853.30 and 282,670.20 is: 424,005.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,902.20 : 1,088,853.30 = 282,670.20 : x
  2. Step 2: Convert to fraction form
    725,902.20/1,088,853.30 = 282,670.20/x
  3. Step 3: Cross multiply
    725,902.20x = 1,088,853.30 × 282,670.20
  4. Step 4: Simplify right side
    725,902.20x = 307,786,380,081.66
  5. Step 5: Solve for x
    x = 307,786,380,081.66/725,902.20
  6. Step 6: Final answer
    x = 424,005.30

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Half scale
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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.