Home / 644,906.40-967,361.94-195,631.20

Finding the Fourth Proportional to 644,906.40, 967,361.94 and 195,631.20

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Solution

The fourth proportional to 644,906.40, 967,361.94 and 195,631.20 is: 293,447.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,906.40 : 967,361.94 = 195,631.20 : x
  2. Step 2: Convert to fraction form
    644,906.40/967,361.94 = 195,631.20/x
  3. Step 3: Cross multiply
    644,906.40x = 967,361.94 × 195,631.20
  4. Step 4: Simplify right side
    644,906.40x = 189,246,177,156.53
  5. Step 5: Solve for x
    x = 189,246,177,156.53/644,906.40
  6. Step 6: Final answer
    x = 293,447.51

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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.