Home / 712,958.76-1,067,338.62-682,165.80

Finding the Fourth Proportional to 712,958.76, 1,067,338.62 and 682,165.80

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Solution

The fourth proportional to 712,958.76, 1,067,338.62 and 682,165.80 is: 1,021,239.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,958.76 : 1,067,338.62 = 682,165.80 : x
  2. Step 2: Convert to fraction form
    712,958.76/1,067,338.62 = 682,165.80/x
  3. Step 3: Cross multiply
    712,958.76x = 1,067,338.62 × 682,165.80
  4. Step 4: Simplify right side
    712,958.76x = 728,101,903,583.20
  5. Step 5: Solve for x
    x = 728,101,903,583.20/712,958.76
  6. Step 6: Final answer
    x = 1,021,239.86

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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.