Home / 765,072.14-1,055,796.73-425,540.39

Finding the Fourth Proportional to 765,072.14, 1,055,796.73 and 425,540.39

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Solution

The fourth proportional to 765,072.14, 1,055,796.73 and 425,540.39 is: 587,244.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,072.14 : 1,055,796.73 = 425,540.39 : x
  2. Step 2: Convert to fraction form
    765,072.14/1,055,796.73 = 425,540.39/x
  3. Step 3: Cross multiply
    765,072.14x = 1,055,796.73 × 425,540.39
  4. Step 4: Simplify right side
    765,072.14x = 449,284,145,902.09
  5. Step 5: Solve for x
    x = 449,284,145,902.09/765,072.14
  6. Step 6: Final answer
    x = 587,244.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.