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Finding the Fourth Proportional to 417,496.59, 626,285.88 and 117,979.47

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Solution

The fourth proportional to 417,496.59, 626,285.88 and 117,979.47 is: 176,980.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,496.59 : 626,285.88 = 117,979.47 : x
  2. Step 2: Convert to fraction form
    417,496.59/626,285.88 = 117,979.47/x
  3. Step 3: Cross multiply
    417,496.59x = 626,285.88 × 117,979.47
  4. Step 4: Simplify right side
    417,496.59x = 73,888,876,190.88
  5. Step 5: Solve for x
    x = 73,888,876,190.88/417,496.59
  6. Step 6: Final answer
    x = 176,980.79

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