Home / 428,559.72-591,292.70-337,633.50

Finding the Fourth Proportional to 428,559.72, 591,292.70 and 337,633.50

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Solution

The fourth proportional to 428,559.72, 591,292.70 and 337,633.50 is: 465,839.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,559.72 : 591,292.70 = 337,633.50 : x
  2. Step 2: Convert to fraction form
    428,559.72/591,292.70 = 337,633.50/x
  3. Step 3: Cross multiply
    428,559.72x = 591,292.70 × 337,633.50
  4. Step 4: Simplify right side
    428,559.72x = 199,640,223,825.45
  5. Step 5: Solve for x
    x = 199,640,223,825.45/428,559.72
  6. Step 6: Final answer
    x = 465,839.92

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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.