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Finding the Fourth Proportional to 652,089.56, 978,022.20 and 172,322.60

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Solution

The fourth proportional to 652,089.56, 978,022.20 and 172,322.60 is: 258,454.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,089.56 : 978,022.20 = 172,322.60 : x
  2. Step 2: Convert to fraction form
    652,089.56/978,022.20 = 172,322.60/x
  3. Step 3: Cross multiply
    652,089.56x = 978,022.20 × 172,322.60
  4. Step 4: Simplify right side
    652,089.56x = 168,535,328,361.72
  5. Step 5: Solve for x
    x = 168,535,328,361.72/652,089.56
  6. Step 6: Final answer
    x = 258,454.27

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