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Finding the Fourth Proportional to 555,067.44, 765,993.03 and 300,418.62

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Solution

The fourth proportional to 555,067.44, 765,993.03 and 300,418.62 is: 414,577.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,067.44 : 765,993.03 = 300,418.62 : x
  2. Step 2: Convert to fraction form
    555,067.44/765,993.03 = 300,418.62/x
  3. Step 3: Cross multiply
    555,067.44x = 765,993.03 × 300,418.62
  4. Step 4: Simplify right side
    555,067.44x = 230,118,569,002.22
  5. Step 5: Solve for x
    x = 230,118,569,002.22/555,067.44
  6. Step 6: Final answer
    x = 414,577.68

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