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Finding the Fourth Proportional to 454,987.40, 682,481.10 and 366,413.90

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Solution

The fourth proportional to 454,987.40, 682,481.10 and 366,413.90 is: 549,620.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,987.40 : 682,481.10 = 366,413.90 : x
  2. Step 2: Convert to fraction form
    454,987.40/682,481.10 = 366,413.90/x
  3. Step 3: Cross multiply
    454,987.40x = 682,481.10 × 366,413.90
  4. Step 4: Simplify right side
    454,987.40x = 250,070,561,527.29
  5. Step 5: Solve for x
    x = 250,070,561,527.29/454,987.40
  6. Step 6: Final answer
    x = 549,620.85

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