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Finding the Fourth Proportional to 401,689.04, 602,844.60 and 214,857.68

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Solution

The fourth proportional to 401,689.04, 602,844.60 and 214,857.68 is: 322,452.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,689.04 : 602,844.60 = 214,857.68 : x
  2. Step 2: Convert to fraction form
    401,689.04/602,844.60 = 214,857.68/x
  3. Step 3: Cross multiply
    401,689.04x = 602,844.60 × 214,857.68
  4. Step 4: Simplify right side
    401,689.04x = 129,525,792,156.53
  5. Step 5: Solve for x
    x = 129,525,792,156.53/401,689.04
  6. Step 6: Final answer
    x = 322,452.89

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