Home / 751,695.81-1,127,709.56-219,258.51

Finding the Fourth Proportional to 751,695.81, 1,127,709.56 and 219,258.51

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Solution

The fourth proportional to 751,695.81, 1,127,709.56 and 219,258.51 is: 328,936.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,695.81 : 1,127,709.56 = 219,258.51 : x
  2. Step 2: Convert to fraction form
    751,695.81/1,127,709.56 = 219,258.51/x
  3. Step 3: Cross multiply
    751,695.81x = 1,127,709.56 × 219,258.51
  4. Step 4: Simplify right side
    751,695.81x = 247,259,917,838.36
  5. Step 5: Solve for x
    x = 247,259,917,838.36/751,695.81
  6. Step 6: Final answer
    x = 328,936.14

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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.