Home / 550,996.16-826,116.89-280,600.88

Finding the Fourth Proportional to 550,996.16, 826,116.89 and 280,600.88

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Solution

The fourth proportional to 550,996.16, 826,116.89 and 280,600.88 is: 420,709.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,996.16 : 826,116.89 = 280,600.88 : x
  2. Step 2: Convert to fraction form
    550,996.16/826,116.89 = 280,600.88/x
  3. Step 3: Cross multiply
    550,996.16x = 826,116.89 × 280,600.88
  4. Step 4: Simplify right side
    550,996.16x = 231,809,120,783.27
  5. Step 5: Solve for x
    x = 231,809,120,783.27/550,996.16
  6. Step 6: Final answer
    x = 420,709.14

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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.