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Finding the Fourth Proportional to 629,745.60, 944,618.40 and 230,399.40

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Solution

The fourth proportional to 629,745.60, 944,618.40 and 230,399.40 is: 345,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,745.60 : 944,618.40 = 230,399.40 : x
  2. Step 2: Convert to fraction form
    629,745.60/944,618.40 = 230,399.40/x
  3. Step 3: Cross multiply
    629,745.60x = 944,618.40 × 230,399.40
  4. Step 4: Simplify right side
    629,745.60x = 217,639,512,588.96
  5. Step 5: Solve for x
    x = 217,639,512,588.96/629,745.60
  6. Step 6: Final answer
    x = 345,599.10

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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.