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Finding the Fourth Proportional to 464,900.10, 697,022.10 and 212,301.60

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Solution

The fourth proportional to 464,900.10, 697,022.10 and 212,301.60 is: 318,302.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,900.10 : 697,022.10 = 212,301.60 : x
  2. Step 2: Convert to fraction form
    464,900.10/697,022.10 = 212,301.60/x
  3. Step 3: Cross multiply
    464,900.10x = 697,022.10 × 212,301.60
  4. Step 4: Simplify right side
    464,900.10x = 147,978,907,065.36
  5. Step 5: Solve for x
    x = 147,978,907,065.36/464,900.10
  6. Step 6: Final answer
    x = 318,302.59

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