Home / 815,097.09-1,222,252.38-341,655.33

Finding the Fourth Proportional to 815,097.09, 1,222,252.38 and 341,655.33

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Solution

The fourth proportional to 815,097.09, 1,222,252.38 and 341,655.33 is: 512,318.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,097.09 : 1,222,252.38 = 341,655.33 : x
  2. Step 2: Convert to fraction form
    815,097.09/1,222,252.38 = 341,655.33/x
  3. Step 3: Cross multiply
    815,097.09x = 1,222,252.38 × 341,655.33
  4. Step 4: Simplify right side
    815,097.09x = 417,589,040,232.19
  5. Step 5: Solve for x
    x = 417,589,040,232.19/815,097.09
  6. Step 6: Final answer
    x = 512,318.16

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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.