Home / 722,555.74-1,083,858.22-343,280.73

Finding the Fourth Proportional to 722,555.74, 1,083,858.22 and 343,280.73

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Solution

The fourth proportional to 722,555.74, 1,083,858.22 and 343,280.73 is: 514,932.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,555.74 : 1,083,858.22 = 343,280.73 : x
  2. Step 2: Convert to fraction form
    722,555.74/1,083,858.22 = 343,280.73/x
  3. Step 3: Cross multiply
    722,555.74x = 1,083,858.22 × 343,280.73
  4. Step 4: Simplify right side
    722,555.74x = 372,067,643,540.72
  5. Step 5: Solve for x
    x = 372,067,643,540.72/722,555.74
  6. Step 6: Final answer
    x = 514,932.79

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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.