Home / 850,359-1,275,596.82-281,739

Finding the Fourth Proportional to 850,359, 1,275,596.82 and 281,739

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Solution

The fourth proportional to 850,359, 1,275,596.82 and 281,739 is: 422,627.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,359 : 1,275,596.82 = 281,739 : x
  2. Step 2: Convert to fraction form
    850,359/1,275,596.82 = 281,739/x
  3. Step 3: Cross multiply
    850,359x = 1,275,596.82 × 281,739
  4. Step 4: Simplify right side
    850,359x = 359,385,372,469.98
  5. Step 5: Solve for x
    x = 359,385,372,469.98/850,359
  6. Step 6: Final answer
    x = 422,627.82

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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.