Home / 451,374.60-622,878.24-269,979.36

Finding the Fourth Proportional to 451,374.60, 622,878.24 and 269,979.36

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Solution

The fourth proportional to 451,374.60, 622,878.24 and 269,979.36 is: 372,560.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,374.60 : 622,878.24 = 269,979.36 : x
  2. Step 2: Convert to fraction form
    451,374.60/622,878.24 = 269,979.36/x
  3. Step 3: Cross multiply
    451,374.60x = 622,878.24 × 269,979.36
  4. Step 4: Simplify right side
    451,374.60x = 168,164,268,593.13
  5. Step 5: Solve for x
    x = 168,164,268,593.13/451,374.60
  6. Step 6: Final answer
    x = 372,560.33

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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.