Home / 428,549.85-591,279.13-337,623.61

Finding the Fourth Proportional to 428,549.85, 591,279.13 and 337,623.61

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Solution

The fourth proportional to 428,549.85, 591,279.13 and 337,623.61 is: 465,826.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,549.85 : 591,279.13 = 337,623.61 : x
  2. Step 2: Convert to fraction form
    428,549.85/591,279.13 = 337,623.61/x
  3. Step 3: Cross multiply
    428,549.85x = 591,279.13 × 337,623.61
  4. Step 4: Simplify right side
    428,549.85x = 199,629,794,388.26
  5. Step 5: Solve for x
    x = 199,629,794,388.26/428,549.85
  6. Step 6: Final answer
    x = 465,826.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.