Home / 753,993.96-1,131,073.38-327,236.40

Finding the Fourth Proportional to 753,993.96, 1,131,073.38 and 327,236.40

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Solution

The fourth proportional to 753,993.96, 1,131,073.38 and 327,236.40 is: 490,890.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,993.96 : 1,131,073.38 = 327,236.40 : x
  2. Step 2: Convert to fraction form
    753,993.96/1,131,073.38 = 327,236.40/x
  3. Step 3: Cross multiply
    753,993.96x = 1,131,073.38 × 327,236.40
  4. Step 4: Simplify right side
    753,993.96x = 370,128,381,007.03
  5. Step 5: Solve for x
    x = 370,128,381,007.03/753,993.96
  6. Step 6: Final answer
    x = 490,890.38

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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.