Home / 751,755.26-1,127,688.22-219,290.46

Finding the Fourth Proportional to 751,755.26, 1,127,688.22 and 219,290.46

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Solution

The fourth proportional to 751,755.26, 1,127,688.22 and 219,290.46 is: 328,951.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,755.26 : 1,127,688.22 = 219,290.46 : x
  2. Step 2: Convert to fraction form
    751,755.26/1,127,688.22 = 219,290.46/x
  3. Step 3: Cross multiply
    751,755.26x = 1,127,688.22 × 219,290.46
  4. Step 4: Simplify right side
    751,755.26x = 247,291,268,500.38
  5. Step 5: Solve for x
    x = 247,291,268,500.38/751,755.26
  6. Step 6: Final answer
    x = 328,951.83

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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.