Home / 751,818.44-1,127,708.90-219,344.15

Finding the Fourth Proportional to 751,818.44, 1,127,708.90 and 219,344.15

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Solution

The fourth proportional to 751,818.44, 1,127,708.90 and 219,344.15 is: 329,010.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,818.44 : 1,127,708.90 = 219,344.15 : x
  2. Step 2: Convert to fraction form
    751,818.44/1,127,708.90 = 219,344.15/x
  3. Step 3: Cross multiply
    751,818.44x = 1,127,708.90 × 219,344.15
  4. Step 4: Simplify right side
    751,818.44x = 247,356,349,021.21
  5. Step 5: Solve for x
    x = 247,356,349,021.21/751,818.44
  6. Step 6: Final answer
    x = 329,010.75

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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.