Home / 751,907.57-1,127,842.61-219,433.21

Finding the Fourth Proportional to 751,907.57, 1,127,842.61 and 219,433.21

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Solution

The fourth proportional to 751,907.57, 1,127,842.61 and 219,433.21 is: 329,144.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,907.57 : 1,127,842.61 = 219,433.21 : x
  2. Step 2: Convert to fraction form
    751,907.57/1,127,842.61 = 219,433.21/x
  3. Step 3: Cross multiply
    751,907.57x = 1,127,842.61 × 219,433.21
  4. Step 4: Simplify right side
    751,907.57x = 247,486,120,370.31
  5. Step 5: Solve for x
    x = 247,486,120,370.31/751,907.57
  6. Step 6: Final answer
    x = 329,144.34

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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.