Home / 515,057.40-772,586.10-494,062.20

Finding the Fourth Proportional to 515,057.40, 772,586.10 and 494,062.20

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Solution

The fourth proportional to 515,057.40, 772,586.10 and 494,062.20 is: 741,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,057.40 : 772,586.10 = 494,062.20 : x
  2. Step 2: Convert to fraction form
    515,057.40/772,586.10 = 494,062.20/x
  3. Step 3: Cross multiply
    515,057.40x = 772,586.10 × 494,062.20
  4. Step 4: Simplify right side
    515,057.40x = 381,705,588,255.42
  5. Step 5: Solve for x
    x = 381,705,588,255.42/515,057.40
  6. Step 6: Final answer
    x = 741,093.30

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Double scale
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Similar ratio
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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.