Home / 880,000.80-1,320,001.20-580,819.20

Finding the Fourth Proportional to 880,000.80, 1,320,001.20 and 580,819.20

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Solution

The fourth proportional to 880,000.80, 1,320,001.20 and 580,819.20 is: 871,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,000.80 : 1,320,001.20 = 580,819.20 : x
  2. Step 2: Convert to fraction form
    880,000.80/1,320,001.20 = 580,819.20/x
  3. Step 3: Cross multiply
    880,000.80x = 1,320,001.20 × 580,819.20
  4. Step 4: Simplify right side
    880,000.80x = 766,682,040,983.04
  5. Step 5: Solve for x
    x = 766,682,040,983.04/880,000.80
  6. Step 6: Final answer
    x = 871,228.80

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Similar ratio
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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.