Home / 928,846.91-1,393,408.88-329,757.90

Finding the Fourth Proportional to 928,846.91, 1,393,408.88 and 329,757.90

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Solution

The fourth proportional to 928,846.91, 1,393,408.88 and 329,757.90 is: 494,686.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,846.91 : 1,393,408.88 = 329,757.90 : x
  2. Step 2: Convert to fraction form
    928,846.91/1,393,408.88 = 329,757.90/x
  3. Step 3: Cross multiply
    928,846.91x = 1,393,408.88 × 329,757.90
  4. Step 4: Simplify right side
    928,846.91x = 459,487,584,461.36
  5. Step 5: Solve for x
    x = 459,487,584,461.36/928,846.91
  6. Step 6: Final answer
    x = 494,686.02

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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.