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Finding the Fourth Proportional to 463,221.40, 694,832.10 and 444,850.60

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Solution

The fourth proportional to 463,221.40, 694,832.10 and 444,850.60 is: 667,275.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,221.40 : 694,832.10 = 444,850.60 : x
  2. Step 2: Convert to fraction form
    463,221.40/694,832.10 = 444,850.60/x
  3. Step 3: Cross multiply
    463,221.40x = 694,832.10 × 444,850.60
  4. Step 4: Simplify right side
    463,221.40x = 309,096,476,584.26
  5. Step 5: Solve for x
    x = 309,096,476,584.26/463,221.40
  6. Step 6: Final answer
    x = 667,275.90

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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.