Home / 881,099.67-1,215,991.80-493,908.87

Finding the Fourth Proportional to 881,099.67, 1,215,991.80 and 493,908.87

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Solution

The fourth proportional to 881,099.67, 1,215,991.80 and 493,908.87 is: 681,635.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,099.67 : 1,215,991.80 = 493,908.87 : x
  2. Step 2: Convert to fraction form
    881,099.67/1,215,991.80 = 493,908.87/x
  3. Step 3: Cross multiply
    881,099.67x = 1,215,991.80 × 493,908.87
  4. Step 4: Simplify right side
    881,099.67x = 600,589,135,867.27
  5. Step 5: Solve for x
    x = 600,589,135,867.27/881,099.67
  6. Step 6: Final answer
    x = 681,635.87

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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.