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Finding the Fourth Proportional to 456,647.39, 684,956.96 and 216,933.85

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Solution

The fourth proportional to 456,647.39, 684,956.96 and 216,933.85 is: 325,394.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,647.39 : 684,956.96 = 216,933.85 : x
  2. Step 2: Convert to fraction form
    456,647.39/684,956.96 = 216,933.85/x
  3. Step 3: Cross multiply
    456,647.39x = 684,956.96 × 216,933.85
  4. Step 4: Simplify right side
    456,647.39x = 148,590,350,417.10
  5. Step 5: Solve for x
    x = 148,590,350,417.10/456,647.39
  6. Step 6: Final answer
    x = 325,394.06

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