Home / 492,724.20-739,086.30-193,105.20

Finding the Fourth Proportional to 492,724.20, 739,086.30 and 193,105.20

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Solution

The fourth proportional to 492,724.20, 739,086.30 and 193,105.20 is: 289,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,724.20 : 739,086.30 = 193,105.20 : x
  2. Step 2: Convert to fraction form
    492,724.20/739,086.30 = 193,105.20/x
  3. Step 3: Cross multiply
    492,724.20x = 739,086.30 × 193,105.20
  4. Step 4: Simplify right side
    492,724.20x = 142,721,407,778.76
  5. Step 5: Solve for x
    x = 142,721,407,778.76/492,724.20
  6. Step 6: Final answer
    x = 289,657.80

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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.