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Finding the Fourth Proportional to 406,309.50, 560,521.02 and 263,115.72

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Solution

The fourth proportional to 406,309.50, 560,521.02 and 263,115.72 is: 362,979.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,309.50 : 560,521.02 = 263,115.72 : x
  2. Step 2: Convert to fraction form
    406,309.50/560,521.02 = 263,115.72/x
  3. Step 3: Cross multiply
    406,309.50x = 560,521.02 × 263,115.72
  4. Step 4: Simplify right side
    406,309.50x = 147,481,891,752.43
  5. Step 5: Solve for x
    x = 147,481,891,752.43/406,309.50
  6. Step 6: Final answer
    x = 362,979.19

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