Home / 980,745.54-1,471,116.15-261,087.41

Finding the Fourth Proportional to 980,745.54, 1,471,116.15 and 261,087.41

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Solution

The fourth proportional to 980,745.54, 1,471,116.15 and 261,087.41 is: 391,630.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,745.54 : 1,471,116.15 = 261,087.41 : x
  2. Step 2: Convert to fraction form
    980,745.54/1,471,116.15 = 261,087.41/x
  3. Step 3: Cross multiply
    980,745.54x = 1,471,116.15 × 261,087.41
  4. Step 4: Simplify right side
    980,745.54x = 384,089,898,057.09
  5. Step 5: Solve for x
    x = 384,089,898,057.09/980,745.54
  6. Step 6: Final answer
    x = 391,630.53

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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.