Home / 681,137.92-1,021,352.12-254,322.74

Finding the Fourth Proportional to 681,137.92, 1,021,352.12 and 254,322.74

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Solution

The fourth proportional to 681,137.92, 1,021,352.12 and 254,322.74 is: 381,351.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,137.92 : 1,021,352.12 = 254,322.74 : x
  2. Step 2: Convert to fraction form
    681,137.92/1,021,352.12 = 254,322.74/x
  3. Step 3: Cross multiply
    681,137.92x = 1,021,352.12 × 254,322.74
  4. Step 4: Simplify right side
    681,137.92x = 259,753,067,226.49
  5. Step 5: Solve for x
    x = 259,753,067,226.49/681,137.92
  6. Step 6: Final answer
    x = 381,351.64

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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.