Home / 986,321.75-1,361,110.57-550,745.82

Finding the Fourth Proportional to 986,321.75, 1,361,110.57 and 550,745.82

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Solution

The fourth proportional to 986,321.75, 1,361,110.57 and 550,745.82 is: 760,021.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,321.75 : 1,361,110.57 = 550,745.82 : x
  2. Step 2: Convert to fraction form
    986,321.75/1,361,110.57 = 550,745.82/x
  3. Step 3: Cross multiply
    986,321.75x = 1,361,110.57 × 550,745.82
  4. Step 4: Simplify right side
    986,321.75x = 749,625,955,608.45
  5. Step 5: Solve for x
    x = 749,625,955,608.45/986,321.75
  6. Step 6: Final answer
    x = 760,021.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.