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Finding the Fourth Proportional to 368,889.80, 553,334.70 and 336,230.60

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Solution

The fourth proportional to 368,889.80, 553,334.70 and 336,230.60 is: 504,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,889.80 : 553,334.70 = 336,230.60 : x
  2. Step 2: Convert to fraction form
    368,889.80/553,334.70 = 336,230.60/x
  3. Step 3: Cross multiply
    368,889.80x = 553,334.70 × 336,230.60
  4. Step 4: Simplify right side
    368,889.80x = 186,048,058,181.82
  5. Step 5: Solve for x
    x = 186,048,058,181.82/368,889.80
  6. Step 6: Final answer
    x = 504,345.90

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