Home / 728,560.36-1,092,178.96-254,987.38

Finding the Fourth Proportional to 728,560.36, 1,092,178.96 and 254,987.38

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Solution

The fourth proportional to 728,560.36, 1,092,178.96 and 254,987.38 is: 382,249.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,560.36 : 1,092,178.96 = 254,987.38 : x
  2. Step 2: Convert to fraction form
    728,560.36/1,092,178.96 = 254,987.38/x
  3. Step 3: Cross multiply
    728,560.36x = 1,092,178.96 × 254,987.38
  4. Step 4: Simplify right side
    728,560.36x = 278,491,851,501.53
  5. Step 5: Solve for x
    x = 278,491,851,501.53/728,560.36
  6. Step 6: Final answer
    x = 382,249.52

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1.5x scale

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.