Home / 681,928.26-1,022,933.36-208,617.72

Finding the Fourth Proportional to 681,928.26, 1,022,933.36 and 208,617.72

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Solution

The fourth proportional to 681,928.26, 1,022,933.36 and 208,617.72 is: 312,939.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,928.26 : 1,022,933.36 = 208,617.72 : x
  2. Step 2: Convert to fraction form
    681,928.26/1,022,933.36 = 208,617.72/x
  3. Step 3: Cross multiply
    681,928.26x = 1,022,933.36 × 208,617.72
  4. Step 4: Simplify right side
    681,928.26x = 213,402,025,275.14
  5. Step 5: Solve for x
    x = 213,402,025,275.14/681,928.26
  6. Step 6: Final answer
    x = 312,939.11

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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.