Home / 629,922.75-869,268.36-371,882.82

Finding the Fourth Proportional to 629,922.75, 869,268.36 and 371,882.82

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Solution

The fourth proportional to 629,922.75, 869,268.36 and 371,882.82 is: 513,183.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,922.75 : 869,268.36 = 371,882.82 : x
  2. Step 2: Convert to fraction form
    629,922.75/869,268.36 = 371,882.82/x
  3. Step 3: Cross multiply
    629,922.75x = 869,268.36 × 371,882.82
  4. Step 4: Simplify right side
    629,922.75x = 323,265,969,053.58
  5. Step 5: Solve for x
    x = 323,265,969,053.58/629,922.75
  6. Step 6: Final answer
    x = 513,183.51

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1.5x scale

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.