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Finding the Fourth Proportional to 368,878.80, 553,318.20 and 333,886.80

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Solution

The fourth proportional to 368,878.80, 553,318.20 and 333,886.80 is: 500,830.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,878.80 : 553,318.20 = 333,886.80 : x
  2. Step 2: Convert to fraction form
    368,878.80/553,318.20 = 333,886.80/x
  3. Step 3: Cross multiply
    368,878.80x = 553,318.20 × 333,886.80
  4. Step 4: Simplify right side
    368,878.80x = 184,745,643,179.76
  5. Step 5: Solve for x
    x = 184,745,643,179.76/368,878.80
  6. Step 6: Final answer
    x = 500,830.20

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