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Finding the Fourth Proportional to 629,868.96, 944,609.65 and 180,469.42

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Solution

The fourth proportional to 629,868.96, 944,609.65 and 180,469.42 is: 270,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,868.96 : 944,609.65 = 180,469.42 : x
  2. Step 2: Convert to fraction form
    629,868.96/944,609.65 = 180,469.42/x
  3. Step 3: Cross multiply
    629,868.96x = 944,609.65 × 180,469.42
  4. Step 4: Simplify right side
    629,868.96x = 170,473,152,849.21
  5. Step 5: Solve for x
    x = 170,473,152,849.21/629,868.96
  6. Step 6: Final answer
    x = 270,648.60

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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.