Home / 800,069.06-1,200,011.20-200,984.66

Finding the Fourth Proportional to 800,069.06, 1,200,011.20 and 200,984.66

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Solution

The fourth proportional to 800,069.06, 1,200,011.20 and 200,984.66 is: 301,453.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,069.06 : 1,200,011.20 = 200,984.66 : x
  2. Step 2: Convert to fraction form
    800,069.06/1,200,011.20 = 200,984.66/x
  3. Step 3: Cross multiply
    800,069.06x = 1,200,011.20 × 200,984.66
  4. Step 4: Simplify right side
    800,069.06x = 241,183,843,028.19
  5. Step 5: Solve for x
    x = 241,183,843,028.19/800,069.06
  6. Step 6: Final answer
    x = 301,453.78

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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.