Home / 809,662.53-1,214,495.33-210,622.73

Finding the Fourth Proportional to 809,662.53, 1,214,495.33 and 210,622.73

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Solution

The fourth proportional to 809,662.53, 1,214,495.33 and 210,622.73 is: 315,934.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,662.53 : 1,214,495.33 = 210,622.73 : x
  2. Step 2: Convert to fraction form
    809,662.53/1,214,495.33 = 210,622.73/x
  3. Step 3: Cross multiply
    809,662.53x = 1,214,495.33 × 210,622.73
  4. Step 4: Simplify right side
    809,662.53x = 255,800,314,851.26
  5. Step 5: Solve for x
    x = 255,800,314,851.26/809,662.53
  6. Step 6: Final answer
    x = 315,934.49

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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.