Home / 809,662.22-1,214,494.86-210,622.42

Finding the Fourth Proportional to 809,662.22, 1,214,494.86 and 210,622.42

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Solution

The fourth proportional to 809,662.22, 1,214,494.86 and 210,622.42 is: 315,934.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,662.22 : 1,214,494.86 = 210,622.42 : x
  2. Step 2: Convert to fraction form
    809,662.22/1,214,494.86 = 210,622.42/x
  3. Step 3: Cross multiply
    809,662.22x = 1,214,494.86 × 210,622.42
  4. Step 4: Simplify right side
    809,662.22x = 255,799,839,365.18
  5. Step 5: Solve for x
    x = 255,799,839,365.18/809,662.22
  6. Step 6: Final answer
    x = 315,934.02

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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.