Home / 929,704.28-1,394,372.78-255,611.74

Finding the Fourth Proportional to 929,704.28, 1,394,372.78 and 255,611.74

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Solution

The fourth proportional to 929,704.28, 1,394,372.78 and 255,611.74 is: 383,367.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,704.28 : 1,394,372.78 = 255,611.74 : x
  2. Step 2: Convert to fraction form
    929,704.28/1,394,372.78 = 255,611.74/x
  3. Step 3: Cross multiply
    929,704.28x = 1,394,372.78 × 255,611.74
  4. Step 4: Simplify right side
    929,704.28x = 356,418,052,504.44
  5. Step 5: Solve for x
    x = 356,418,052,504.44/929,704.28
  6. Step 6: Final answer
    x = 383,367.12

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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.