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Finding the Fourth Proportional to 403,726.40, 605,589.60 and 245,873.60

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Solution

The fourth proportional to 403,726.40, 605,589.60 and 245,873.60 is: 368,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,726.40 : 605,589.60 = 245,873.60 : x
  2. Step 2: Convert to fraction form
    403,726.40/605,589.60 = 245,873.60/x
  3. Step 3: Cross multiply
    403,726.40x = 605,589.60 × 245,873.60
  4. Step 4: Simplify right side
    403,726.40x = 148,898,495,074.56
  5. Step 5: Solve for x
    x = 148,898,495,074.56/403,726.40
  6. Step 6: Final answer
    x = 368,810.40

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