Home / 801,112.82-1,105,502.38-438,527.66

Finding the Fourth Proportional to 801,112.82, 1,105,502.38 and 438,527.66

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Solution

The fourth proportional to 801,112.82, 1,105,502.38 and 438,527.66 is: 605,149.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,112.82 : 1,105,502.38 = 438,527.66 : x
  2. Step 2: Convert to fraction form
    801,112.82/1,105,502.38 = 438,527.66/x
  3. Step 3: Cross multiply
    801,112.82x = 1,105,502.38 × 438,527.66
  4. Step 4: Simplify right side
    801,112.82x = 484,793,365,202.00
  5. Step 5: Solve for x
    x = 484,793,365,202.00/801,112.82
  6. Step 6: Final answer
    x = 605,149.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.