Home / 785,997.20-1,179,244.91-280,546.98

Finding the Fourth Proportional to 785,997.20, 1,179,244.91 and 280,546.98

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Solution

The fourth proportional to 785,997.20, 1,179,244.91 and 280,546.98 is: 420,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,997.20 : 1,179,244.91 = 280,546.98 : x
  2. Step 2: Convert to fraction form
    785,997.20/1,179,244.91 = 280,546.98/x
  3. Step 3: Cross multiply
    785,997.20x = 1,179,244.91 × 280,546.98
  4. Step 4: Simplify right side
    785,997.20x = 330,833,596,778.14
  5. Step 5: Solve for x
    x = 330,833,596,778.14/785,997.20
  6. Step 6: Final answer
    x = 420,909.39

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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.