Home / 986,321.37-1,361,110.05-550,745.45

Finding the Fourth Proportional to 986,321.37, 1,361,110.05 and 550,745.45

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Solution

The fourth proportional to 986,321.37, 1,361,110.05 and 550,745.45 is: 760,021.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,321.37 : 1,361,110.05 = 550,745.45 : x
  2. Step 2: Convert to fraction form
    986,321.37/1,361,110.05 = 550,745.45/x
  3. Step 3: Cross multiply
    986,321.37x = 1,361,110.05 × 550,745.45
  4. Step 4: Simplify right side
    986,321.37x = 749,625,160,181.22
  5. Step 5: Solve for x
    x = 749,625,160,181.22/986,321.37
  6. Step 6: Final answer
    x = 760,021.21

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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.