Home / 608,748.20-913,122.30-276,324.20

Finding the Fourth Proportional to 608,748.20, 913,122.30 and 276,324.20

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Solution

The fourth proportional to 608,748.20, 913,122.30 and 276,324.20 is: 414,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,748.20 : 913,122.30 = 276,324.20 : x
  2. Step 2: Convert to fraction form
    608,748.20/913,122.30 = 276,324.20/x
  3. Step 3: Cross multiply
    608,748.20x = 913,122.30 × 276,324.20
  4. Step 4: Simplify right side
    608,748.20x = 252,317,789,049.66
  5. Step 5: Solve for x
    x = 252,317,789,049.66/608,748.20
  6. Step 6: Final answer
    x = 414,486.30

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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.