Home / 881,087.66-1,215,975.24-493,896.86

Finding the Fourth Proportional to 881,087.66, 1,215,975.24 and 493,896.86

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Solution

The fourth proportional to 881,087.66, 1,215,975.24 and 493,896.86 is: 681,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,087.66 : 1,215,975.24 = 493,896.86 : x
  2. Step 2: Convert to fraction form
    881,087.66/1,215,975.24 = 493,896.86/x
  3. Step 3: Cross multiply
    881,087.66x = 1,215,975.24 × 493,896.86
  4. Step 4: Simplify right side
    881,087.66x = 600,566,346,793.87
  5. Step 5: Solve for x
    x = 600,566,346,793.87/881,087.66
  6. Step 6: Final answer
    x = 681,619.30

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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.