Home / 855,738.93-1,284,321.13-451,076.44

Finding the Fourth Proportional to 855,738.93, 1,284,321.13 and 451,076.44

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Solution

The fourth proportional to 855,738.93, 1,284,321.13 and 451,076.44 is: 676,990.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,738.93 : 1,284,321.13 = 451,076.44 : x
  2. Step 2: Convert to fraction form
    855,738.93/1,284,321.13 = 451,076.44/x
  3. Step 3: Cross multiply
    855,738.93x = 1,284,321.13 × 451,076.44
  4. Step 4: Simplify right side
    855,738.93x = 579,327,002,365.31
  5. Step 5: Solve for x
    x = 579,327,002,365.31/855,738.93
  6. Step 6: Final answer
    x = 676,990.36

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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.