Home / 494,083.20-739,281.60-449,846.40

Finding the Fourth Proportional to 494,083.20, 739,281.60 and 449,846.40

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Solution

The fourth proportional to 494,083.20, 739,281.60 and 449,846.40 is: 673,091.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,083.20 : 739,281.60 = 449,846.40 : x
  2. Step 2: Convert to fraction form
    494,083.20/739,281.60 = 449,846.40/x
  3. Step 3: Cross multiply
    494,083.20x = 739,281.60 × 449,846.40
  4. Step 4: Simplify right side
    494,083.20x = 332,563,166,346.24
  5. Step 5: Solve for x
    x = 332,563,166,346.24/494,083.20
  6. Step 6: Final answer
    x = 673,091.43

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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.