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Finding the Fourth Proportional to 407,872.65, 562,864.86 and 226,579.65

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Solution

The fourth proportional to 407,872.65, 562,864.86 and 226,579.65 is: 312,680.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,872.65 : 562,864.86 = 226,579.65 : x
  2. Step 2: Convert to fraction form
    407,872.65/562,864.86 = 226,579.65/x
  3. Step 3: Cross multiply
    407,872.65x = 562,864.86 × 226,579.65
  4. Step 4: Simplify right side
    407,872.65x = 127,533,722,976.10
  5. Step 5: Solve for x
    x = 127,533,722,976.10/407,872.65
  6. Step 6: Final answer
    x = 312,680.25

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