Home / 681,824.07-1,022,729.36-261,099.95

Finding the Fourth Proportional to 681,824.07, 1,022,729.36 and 261,099.95

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Solution

The fourth proportional to 681,824.07, 1,022,729.36 and 261,099.95 is: 391,647.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,824.07 : 1,022,729.36 = 261,099.95 : x
  2. Step 2: Convert to fraction form
    681,824.07/1,022,729.36 = 261,099.95/x
  3. Step 3: Cross multiply
    681,824.07x = 1,022,729.36 × 261,099.95
  4. Step 4: Simplify right side
    681,824.07x = 267,034,578,340.39
  5. Step 5: Solve for x
    x = 267,034,578,340.39/681,824.07
  6. Step 6: Final answer
    x = 391,647.33

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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.