Home / 792,745.44-1,189,299.80-343,541.71

Finding the Fourth Proportional to 792,745.44, 1,189,299.80 and 343,541.71

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Solution

The fourth proportional to 792,745.44, 1,189,299.80 and 343,541.71 is: 515,391.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,745.44 : 1,189,299.80 = 343,541.71 : x
  2. Step 2: Convert to fraction form
    792,745.44/1,189,299.80 = 343,541.71/x
  3. Step 3: Cross multiply
    792,745.44x = 1,189,299.80 × 343,541.71
  4. Step 4: Simplify right side
    792,745.44x = 408,574,086,994.66
  5. Step 5: Solve for x
    x = 408,574,086,994.66/792,745.44
  6. Step 6: Final answer
    x = 515,391.28

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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.