Home / 915,857.33-1,372,816.40-308,067.03

Finding the Fourth Proportional to 915,857.33, 1,372,816.40 and 308,067.03

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Solution

The fourth proportional to 915,857.33, 1,372,816.40 and 308,067.03 is: 461,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,857.33 : 1,372,816.40 = 308,067.03 : x
  2. Step 2: Convert to fraction form
    915,857.33/1,372,816.40 = 308,067.03/x
  3. Step 3: Cross multiply
    915,857.33x = 1,372,816.40 × 308,067.03
  4. Step 4: Simplify right side
    915,857.33x = 422,919,469,542.96
  5. Step 5: Solve for x
    x = 422,919,469,542.96/915,857.33
  6. Step 6: Final answer
    x = 461,774.40

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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.