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Finding the Fourth Proportional to 368,876.40, 553,314.60 and 331,551.60

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Solution

The fourth proportional to 368,876.40, 553,314.60 and 331,551.60 is: 497,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,876.40 : 553,314.60 = 331,551.60 : x
  2. Step 2: Convert to fraction form
    368,876.40/553,314.60 = 331,551.60/x
  3. Step 3: Cross multiply
    368,876.40x = 553,314.60 × 331,551.60
  4. Step 4: Simplify right side
    368,876.40x = 183,452,340,933.36
  5. Step 5: Solve for x
    x = 183,452,340,933.36/368,876.40
  6. Step 6: Final answer
    x = 497,327.40

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