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Finding the Fourth Proportional to 631,438.66, 871,425.44 and 359,530.30

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Solution

The fourth proportional to 631,438.66, 871,425.44 and 359,530.30 is: 496,174.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,438.66 : 871,425.44 = 359,530.30 : x
  2. Step 2: Convert to fraction form
    631,438.66/871,425.44 = 359,530.30/x
  3. Step 3: Cross multiply
    631,438.66x = 871,425.44 × 359,530.30
  4. Step 4: Simplify right side
    631,438.66x = 313,303,849,870.83
  5. Step 5: Solve for x
    x = 313,303,849,870.83/631,438.66
  6. Step 6: Final answer
    x = 496,174.64

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