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Finding the Fourth Proportional to 368,894.80, 553,342.20 and 336,235.60

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Solution

The fourth proportional to 368,894.80, 553,342.20 and 336,235.60 is: 504,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,894.80 : 553,342.20 = 336,235.60 : x
  2. Step 2: Convert to fraction form
    368,894.80/553,342.20 = 336,235.60/x
  3. Step 3: Cross multiply
    368,894.80x = 553,342.20 × 336,235.60
  4. Step 4: Simplify right side
    368,894.80x = 186,053,346,622.32
  5. Step 5: Solve for x
    x = 186,053,346,622.32/368,894.80
  6. Step 6: Final answer
    x = 504,353.40

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