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Finding the Fourth Proportional to 447,632.40, 672,226.20 and 237,680.40

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Solution

The fourth proportional to 447,632.40, 672,226.20 and 237,680.40 is: 356,933.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,632.40 : 672,226.20 = 237,680.40 : x
  2. Step 2: Convert to fraction form
    447,632.40/672,226.20 = 237,680.40/x
  3. Step 3: Cross multiply
    447,632.40x = 672,226.20 × 237,680.40
  4. Step 4: Simplify right side
    447,632.40x = 159,774,992,106.48
  5. Step 5: Solve for x
    x = 159,774,992,106.48/447,632.40
  6. Step 6: Final answer
    x = 356,933.48

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