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Finding the Fourth Proportional to 455,547.80, 683,613.30 and 266,007.80

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Solution

The fourth proportional to 455,547.80, 683,613.30 and 266,007.80 is: 399,181.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,547.80 : 683,613.30 = 266,007.80 : x
  2. Step 2: Convert to fraction form
    455,547.80/683,613.30 = 266,007.80/x
  3. Step 3: Cross multiply
    455,547.80x = 683,613.30 × 266,007.80
  4. Step 4: Simplify right side
    455,547.80x = 181,846,469,983.74
  5. Step 5: Solve for x
    x = 181,846,469,983.74/455,547.80
  6. Step 6: Final answer
    x = 399,181.97

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