Home / 751,694.81-1,127,708.06-219,257.51

Finding the Fourth Proportional to 751,694.81, 1,127,708.06 and 219,257.51

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Solution

The fourth proportional to 751,694.81, 1,127,708.06 and 219,257.51 is: 328,934.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,694.81 : 1,127,708.06 = 219,257.51 : x
  2. Step 2: Convert to fraction form
    751,694.81/1,127,708.06 = 219,257.51/x
  3. Step 3: Cross multiply
    751,694.81x = 1,127,708.06 × 219,257.51
  4. Step 4: Simplify right side
    751,694.81x = 247,258,454,507.70
  5. Step 5: Solve for x
    x = 247,258,454,507.70/751,694.81
  6. Step 6: Final answer
    x = 328,934.63

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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.