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Finding the Fourth Proportional to 354,349.40, 531,773.17 and 320,470.04

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Solution

The fourth proportional to 354,349.40, 531,773.17 and 320,470.04 is: 480,930.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,349.40 : 531,773.17 = 320,470.04 : x
  2. Step 2: Convert to fraction form
    354,349.40/531,773.17 = 320,470.04/x
  3. Step 3: Cross multiply
    354,349.40x = 531,773.17 × 320,470.04
  4. Step 4: Simplify right side
    354,349.40x = 170,417,368,400.51
  5. Step 5: Solve for x
    x = 170,417,368,400.51/354,349.40
  6. Step 6: Final answer
    x = 480,930.31

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