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Finding the Fourth Proportional to 447,145.44, 617,315.76 and 296,446.56

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Solution

The fourth proportional to 447,145.44, 617,315.76 and 296,446.56 is: 409,265.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,145.44 : 617,315.76 = 296,446.56 : x
  2. Step 2: Convert to fraction form
    447,145.44/617,315.76 = 296,446.56/x
  3. Step 3: Cross multiply
    447,145.44x = 617,315.76 × 296,446.56
  4. Step 4: Simplify right side
    447,145.44x = 183,001,133,485.79
  5. Step 5: Solve for x
    x = 183,001,133,485.79/447,145.44
  6. Step 6: Final answer
    x = 409,265.35

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