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Finding the Fourth Proportional to 659,406.56, 988,343.57 and 303,673.19

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Solution

The fourth proportional to 659,406.56, 988,343.57 and 303,673.19 is: 455,156.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,406.56 : 988,343.57 = 303,673.19 : x
  2. Step 2: Convert to fraction form
    659,406.56/988,343.57 = 303,673.19/x
  3. Step 3: Cross multiply
    659,406.56x = 988,343.57 × 303,673.19
  4. Step 4: Simplify right side
    659,406.56x = 300,133,440,535.35
  5. Step 5: Solve for x
    x = 300,133,440,535.35/659,406.56
  6. Step 6: Final answer
    x = 455,156.90

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