Home / 1,040,604.40-1,560,906.60-330,704.20

Finding the Fourth Proportional to 1,040,604.40, 1,560,906.60 and 330,704.20

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Solution

The fourth proportional to 1,040,604.40, 1,560,906.60 and 330,704.20 is: 496,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,604.40 : 1,560,906.60 = 330,704.20 : x
  2. Step 2: Convert to fraction form
    1,040,604.40/1,560,906.60 = 330,704.20/x
  3. Step 3: Cross multiply
    1,040,604.40x = 1,560,906.60 × 330,704.20
  4. Step 4: Simplify right side
    1,040,604.40x = 516,198,368,427.72
  5. Step 5: Solve for x
    x = 516,198,368,427.72/1,040,604.40
  6. Step 6: Final answer
    x = 496,056.30

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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.