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Finding the Fourth Proportional to 519,137.60, 778,706.40 and 366,922.40

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Solution

The fourth proportional to 519,137.60, 778,706.40 and 366,922.40 is: 550,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,137.60 : 778,706.40 = 366,922.40 : x
  2. Step 2: Convert to fraction form
    519,137.60/778,706.40 = 366,922.40/x
  3. Step 3: Cross multiply
    519,137.60x = 778,706.40 × 366,922.40
  4. Step 4: Simplify right side
    519,137.60x = 285,724,821,183.36
  5. Step 5: Solve for x
    x = 285,724,821,183.36/519,137.60
  6. Step 6: Final answer
    x = 550,383.60

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