Home / 751,908.32-1,127,843.73-219,433.96

Finding the Fourth Proportional to 751,908.32, 1,127,843.73 and 219,433.96

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Solution

The fourth proportional to 751,908.32, 1,127,843.73 and 219,433.96 is: 329,145.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,908.32 : 1,127,843.73 = 219,433.96 : x
  2. Step 2: Convert to fraction form
    751,908.32/1,127,843.73 = 219,433.96/x
  3. Step 3: Cross multiply
    751,908.32x = 1,127,843.73 × 219,433.96
  4. Step 4: Simplify right side
    751,908.32x = 247,487,213,115.46
  5. Step 5: Solve for x
    x = 247,487,213,115.46/751,908.32
  6. Step 6: Final answer
    x = 329,145.47

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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.