Home / 681,954.24-1,022,894.40-208,639.52

Finding the Fourth Proportional to 681,954.24, 1,022,894.40 and 208,639.52

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Solution

The fourth proportional to 681,954.24, 1,022,894.40 and 208,639.52 is: 312,947.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,954.24 : 1,022,894.40 = 208,639.52 : x
  2. Step 2: Convert to fraction form
    681,954.24/1,022,894.40 = 208,639.52/x
  3. Step 3: Cross multiply
    681,954.24x = 1,022,894.40 × 208,639.52
  4. Step 4: Simplify right side
    681,954.24x = 213,416,196,626.69
  5. Step 5: Solve for x
    x = 213,416,196,626.69/681,954.24
  6. Step 6: Final answer
    x = 312,947.97

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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.