Home / 629,922.50-869,268.02-371,882.57

Finding the Fourth Proportional to 629,922.50, 869,268.02 and 371,882.57

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Solution

The fourth proportional to 629,922.50, 869,268.02 and 371,882.57 is: 513,183.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,922.50 : 869,268.02 = 371,882.57 : x
  2. Step 2: Convert to fraction form
    629,922.50/869,268.02 = 371,882.57/x
  3. Step 3: Cross multiply
    629,922.50x = 869,268.02 × 371,882.57
  4. Step 4: Simplify right side
    629,922.50x = 323,265,628,399.29
  5. Step 5: Solve for x
    x = 323,265,628,399.29/629,922.50
  6. Step 6: Final answer
    x = 513,183.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.