Home / 728,979.12-1,093,546.56-308,297.52

Finding the Fourth Proportional to 728,979.12, 1,093,546.56 and 308,297.52

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Solution

The fourth proportional to 728,979.12, 1,093,546.56 and 308,297.52 is: 462,479.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,979.12 : 1,093,546.56 = 308,297.52 : x
  2. Step 2: Convert to fraction form
    728,979.12/1,093,546.56 = 308,297.52/x
  3. Step 3: Cross multiply
    728,979.12x = 1,093,546.56 × 308,297.52
  4. Step 4: Simplify right side
    728,979.12x = 337,137,692,452.53
  5. Step 5: Solve for x
    x = 337,137,692,452.53/728,979.12
  6. Step 6: Final answer
    x = 462,479.22

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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.