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Finding the Fourth Proportional to 489,697.60, 734,546.40 and 363,726.40

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Solution

The fourth proportional to 489,697.60, 734,546.40 and 363,726.40 is: 545,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,697.60 : 734,546.40 = 363,726.40 : x
  2. Step 2: Convert to fraction form
    489,697.60/734,546.40 = 363,726.40/x
  3. Step 3: Cross multiply
    489,697.60x = 734,546.40 × 363,726.40
  4. Step 4: Simplify right side
    489,697.60x = 267,173,917,704.96
  5. Step 5: Solve for x
    x = 267,173,917,704.96/489,697.60
  6. Step 6: Final answer
    x = 545,589.60

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