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Finding the Fourth Proportional to 468,776.06, 646,485.75 and 307,569.86

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Solution

The fourth proportional to 468,776.06, 646,485.75 and 307,569.86 is: 424,167.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,776.06 : 646,485.75 = 307,569.86 : x
  2. Step 2: Convert to fraction form
    468,776.06/646,485.75 = 307,569.86/x
  3. Step 3: Cross multiply
    468,776.06x = 646,485.75 × 307,569.86
  4. Step 4: Simplify right side
    468,776.06x = 198,839,531,619.50
  5. Step 5: Solve for x
    x = 198,839,531,619.50/468,776.06
  6. Step 6: Final answer
    x = 424,167.42

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