Home / 681,983.90-1,023,016.85-208,673.36

Finding the Fourth Proportional to 681,983.90, 1,023,016.85 and 208,673.36

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Solution

The fourth proportional to 681,983.90, 1,023,016.85 and 208,673.36 is: 313,022.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,983.90 : 1,023,016.85 = 208,673.36 : x
  2. Step 2: Convert to fraction form
    681,983.90/1,023,016.85 = 208,673.36/x
  3. Step 3: Cross multiply
    681,983.90x = 1,023,016.85 × 208,673.36
  4. Step 4: Simplify right side
    681,983.90x = 213,476,363,426.12
  5. Step 5: Solve for x
    x = 213,476,363,426.12/681,983.90
  6. Step 6: Final answer
    x = 313,022.59

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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.