Home / 681,616.60-1,022,424.90-491,675.65

Finding the Fourth Proportional to 681,616.60, 1,022,424.90 and 491,675.65

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Solution

The fourth proportional to 681,616.60, 1,022,424.90 and 491,675.65 is: 737,513.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,616.60 : 1,022,424.90 = 491,675.65 : x
  2. Step 2: Convert to fraction form
    681,616.60/1,022,424.90 = 491,675.65/x
  3. Step 3: Cross multiply
    681,616.60x = 1,022,424.90 × 491,675.65
  4. Step 4: Simplify right side
    681,616.60x = 502,701,427,283.69
  5. Step 5: Solve for x
    x = 502,701,427,283.69/681,616.60
  6. Step 6: Final answer
    x = 737,513.48

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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.