Home / 820,548.01-1,229,105.39-659,753.24

Finding the Fourth Proportional to 820,548.01, 1,229,105.39 and 659,753.24

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Solution

The fourth proportional to 820,548.01, 1,229,105.39 and 659,753.24 is: 988,249.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,548.01 : 1,229,105.39 = 659,753.24 : x
  2. Step 2: Convert to fraction form
    820,548.01/1,229,105.39 = 659,753.24/x
  3. Step 3: Cross multiply
    820,548.01x = 1,229,105.39 × 659,753.24
  4. Step 4: Simplify right side
    820,548.01x = 810,906,263,353.96
  5. Step 5: Solve for x
    x = 810,906,263,353.96/820,548.01
  6. Step 6: Final answer
    x = 988,249.63

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Double scale
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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.