Home / 1,067.40-1,600.54-336.78

Finding the Fourth Proportional to 1,067.40, 1,600.54 and 336.78

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Solution

The fourth proportional to 1,067.40, 1,600.54 and 336.78 is: 504.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.40 : 1,600.54 = 336.78 : x
  2. Step 2: Convert to fraction form
    1,067.40/1,600.54 = 336.78/x
  3. Step 3: Cross multiply
    1,067.40x = 1,600.54 × 336.78
  4. Step 4: Simplify right side
    1,067.40x = 539,029.86
  5. Step 5: Solve for x
    x = 539,029.86/1,067.40
  6. Step 6: Final answer
    x = 504.99

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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.