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Finding the Fourth Proportional to 490,233.40, 735,350.10 and 303,609.40

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Solution

The fourth proportional to 490,233.40, 735,350.10 and 303,609.40 is: 455,414.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,233.40 : 735,350.10 = 303,609.40 : x
  2. Step 2: Convert to fraction form
    490,233.40/735,350.10 = 303,609.40/x
  3. Step 3: Cross multiply
    490,233.40x = 735,350.10 × 303,609.40
  4. Step 4: Simplify right side
    490,233.40x = 223,259,202,650.94
  5. Step 5: Solve for x
    x = 223,259,202,650.94/490,233.40
  6. Step 6: Final answer
    x = 455,414.10

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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.