Home / 492,826.20-739,239.30-443,059.80

Finding the Fourth Proportional to 492,826.20, 739,239.30 and 443,059.80

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Solution

The fourth proportional to 492,826.20, 739,239.30 and 443,059.80 is: 664,589.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,826.20 : 739,239.30 = 443,059.80 : x
  2. Step 2: Convert to fraction form
    492,826.20/739,239.30 = 443,059.80/x
  3. Step 3: Cross multiply
    492,826.20x = 739,239.30 × 443,059.80
  4. Step 4: Simplify right side
    492,826.20x = 327,527,216,410.14
  5. Step 5: Solve for x
    x = 327,527,216,410.14/492,826.20
  6. Step 6: Final answer
    x = 664,589.70

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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.