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Finding the Fourth Proportional to 414,518.40, 621,777.60 and 114,998.40

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Solution

The fourth proportional to 414,518.40, 621,777.60 and 114,998.40 is: 172,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,518.40 : 621,777.60 = 114,998.40 : x
  2. Step 2: Convert to fraction form
    414,518.40/621,777.60 = 114,998.40/x
  3. Step 3: Cross multiply
    414,518.40x = 621,777.60 × 114,998.40
  4. Step 4: Simplify right side
    414,518.40x = 71,503,429,155.84
  5. Step 5: Solve for x
    x = 71,503,429,155.84/414,518.40
  6. Step 6: Final answer
    x = 172,497.60

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