Home / 681,812.28-1,022,619.94-208,370.52

Finding the Fourth Proportional to 681,812.28, 1,022,619.94 and 208,370.52

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Solution

The fourth proportional to 681,812.28, 1,022,619.94 and 208,370.52 is: 312,525.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,812.28 : 1,022,619.94 = 208,370.52 : x
  2. Step 2: Convert to fraction form
    681,812.28/1,022,619.94 = 208,370.52/x
  3. Step 3: Cross multiply
    681,812.28x = 1,022,619.94 × 208,370.52
  4. Step 4: Simplify right side
    681,812.28x = 213,083,848,139.24
  5. Step 5: Solve for x
    x = 213,083,848,139.24/681,812.28
  6. Step 6: Final answer
    x = 312,525.68

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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.