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Finding the Fourth Proportional to 468,369.10, 646,176.45 and 307,313.56

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Solution

The fourth proportional to 468,369.10, 646,176.45 and 307,313.56 is: 423,979.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,369.10 : 646,176.45 = 307,313.56 : x
  2. Step 2: Convert to fraction form
    468,369.10/646,176.45 = 307,313.56/x
  3. Step 3: Cross multiply
    468,369.10x = 646,176.45 × 307,313.56
  4. Step 4: Simplify right side
    468,369.10x = 198,578,785,237.66
  5. Step 5: Solve for x
    x = 198,578,785,237.66/468,369.10
  6. Step 6: Final answer
    x = 423,979.26

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