Home / 492,786.30-739,179.45-442,922.70

Finding the Fourth Proportional to 492,786.30, 739,179.45 and 442,922.70

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Solution

The fourth proportional to 492,786.30, 739,179.45 and 442,922.70 is: 664,384.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,786.30 : 739,179.45 = 442,922.70 : x
  2. Step 2: Convert to fraction form
    492,786.30/739,179.45 = 442,922.70/x
  3. Step 3: Cross multiply
    492,786.30x = 739,179.45 × 442,922.70
  4. Step 4: Simplify right side
    492,786.30x = 327,399,357,778.52
  5. Step 5: Solve for x
    x = 327,399,357,778.52/492,786.30
  6. Step 6: Final answer
    x = 664,384.05

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1.5x scale

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.