Home / 874,438.56-1,311,704.40-275,446.56

Finding the Fourth Proportional to 874,438.56, 1,311,704.40 and 275,446.56

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Solution

The fourth proportional to 874,438.56, 1,311,704.40 and 275,446.56 is: 413,184.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,438.56 : 1,311,704.40 = 275,446.56 : x
  2. Step 2: Convert to fraction form
    874,438.56/1,311,704.40 = 275,446.56/x
  3. Step 3: Cross multiply
    874,438.56x = 1,311,704.40 × 275,446.56
  4. Step 4: Simplify right side
    874,438.56x = 361,304,464,716.86
  5. Step 5: Solve for x
    x = 361,304,464,716.86/874,438.56
  6. Step 6: Final answer
    x = 413,184.51

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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.