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Finding the Fourth Proportional to 439,993.68, 607,191.12 and 238,789.68

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Solution

The fourth proportional to 439,993.68, 607,191.12 and 238,789.68 is: 329,529.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,993.68 : 607,191.12 = 238,789.68 : x
  2. Step 2: Convert to fraction form
    439,993.68/607,191.12 = 238,789.68/x
  3. Step 3: Cross multiply
    439,993.68x = 607,191.12 × 238,789.68
  4. Step 4: Simplify right side
    439,993.68x = 144,990,973,243.64
  5. Step 5: Solve for x
    x = 144,990,973,243.64/439,993.68
  6. Step 6: Final answer
    x = 329,529.67

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