Home / 629,948.82-945,057.17-203,509.10

Finding the Fourth Proportional to 629,948.82, 945,057.17 and 203,509.10

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Solution

The fourth proportional to 629,948.82, 945,057.17 and 203,509.10 is: 305,306.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,948.82 : 945,057.17 = 203,509.10 : x
  2. Step 2: Convert to fraction form
    629,948.82/945,057.17 = 203,509.10/x
  3. Step 3: Cross multiply
    629,948.82x = 945,057.17 × 203,509.10
  4. Step 4: Simplify right side
    629,948.82x = 192,327,728,372.42
  5. Step 5: Solve for x
    x = 192,327,728,372.42/629,948.82
  6. Step 6: Final answer
    x = 305,306.91

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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.