Home / 855,517.50-1,180,876.95-493,183.56

Finding the Fourth Proportional to 855,517.50, 1,180,876.95 and 493,183.56

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Solution

The fourth proportional to 855,517.50, 1,180,876.95 and 493,183.56 is: 680,744.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,517.50 : 1,180,876.95 = 493,183.56 : x
  2. Step 2: Convert to fraction form
    855,517.50/1,180,876.95 = 493,183.56/x
  3. Step 3: Cross multiply
    855,517.50x = 1,180,876.95 × 493,183.56
  4. Step 4: Simplify right side
    855,517.50x = 582,389,098,122.94
  5. Step 5: Solve for x
    x = 582,389,098,122.94/855,517.50
  6. Step 6: Final answer
    x = 680,744.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.