Home / 800,372.05-1,200,469.46-201,333.16

Finding the Fourth Proportional to 800,372.05, 1,200,469.46 and 201,333.16

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Solution

The fourth proportional to 800,372.05, 1,200,469.46 and 201,333.16 is: 301,977.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,372.05 : 1,200,469.46 = 201,333.16 : x
  2. Step 2: Convert to fraction form
    800,372.05/1,200,469.46 = 201,333.16/x
  3. Step 3: Cross multiply
    800,372.05x = 1,200,469.46 × 201,333.16
  4. Step 4: Simplify right side
    800,372.05x = 241,694,310,359.22
  5. Step 5: Solve for x
    x = 241,694,310,359.22/800,372.05
  6. Step 6: Final answer
    x = 301,977.45

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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.