Home / 731,629.88-1,102,928.56-682,859.78

Finding the Fourth Proportional to 731,629.88, 1,102,928.56 and 682,859.78

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Solution

The fourth proportional to 731,629.88, 1,102,928.56 and 682,859.78 is: 1,029,407.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,629.88 : 1,102,928.56 = 682,859.78 : x
  2. Step 2: Convert to fraction form
    731,629.88/1,102,928.56 = 682,859.78/x
  3. Step 3: Cross multiply
    731,629.88x = 1,102,928.56 × 682,859.78
  4. Step 4: Simplify right side
    731,629.88x = 753,145,553,837.32
  5. Step 5: Solve for x
    x = 753,145,553,837.32/731,629.88
  6. Step 6: Final answer
    x = 1,029,407.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.