Home / 800,066.06-1,200,006.70-200,981.66

Finding the Fourth Proportional to 800,066.06, 1,200,006.70 and 200,981.66

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Solution

The fourth proportional to 800,066.06, 1,200,006.70 and 200,981.66 is: 301,449.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,066.06 : 1,200,006.70 = 200,981.66 : x
  2. Step 2: Convert to fraction form
    800,066.06/1,200,006.70 = 200,981.66/x
  3. Step 3: Cross multiply
    800,066.06x = 1,200,006.70 × 200,981.66
  4. Step 4: Simplify right side
    800,066.06x = 241,179,332,074.63
  5. Step 5: Solve for x
    x = 241,179,332,074.63/800,066.06
  6. Step 6: Final answer
    x = 301,449.27

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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.