Home / 792,753.18-1,189,311.42-343,549.46

Finding the Fourth Proportional to 792,753.18, 1,189,311.42 and 343,549.46

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Solution

The fourth proportional to 792,753.18, 1,189,311.42 and 343,549.46 is: 515,402.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,753.18 : 1,189,311.42 = 343,549.46 : x
  2. Step 2: Convert to fraction form
    792,753.18/1,189,311.42 = 343,549.46/x
  3. Step 3: Cross multiply
    792,753.18x = 1,189,311.42 × 343,549.46
  4. Step 4: Simplify right side
    792,753.18x = 408,587,296,112.83
  5. Step 5: Solve for x
    x = 408,587,296,112.83/792,753.18
  6. Step 6: Final answer
    x = 515,402.91

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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.