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Finding the Fourth Proportional to 550,997.66, 826,119.14 and 280,602.38

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Solution

The fourth proportional to 550,997.66, 826,119.14 and 280,602.38 is: 420,711.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,997.66 : 826,119.14 = 280,602.38 : x
  2. Step 2: Convert to fraction form
    550,997.66/826,119.14 = 280,602.38/x
  3. Step 3: Cross multiply
    550,997.66x = 826,119.14 × 280,602.38
  4. Step 4: Simplify right side
    550,997.66x = 231,810,991,313.95
  5. Step 5: Solve for x
    x = 231,810,991,313.95/550,997.66
  6. Step 6: Final answer
    x = 420,711.39

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1.5x scale

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.