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Finding the Fourth Proportional to 470,126.88, 648,614.88 and 300,458.88

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Solution

The fourth proportional to 470,126.88, 648,614.88 and 300,458.88 is: 414,530.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,126.88 : 648,614.88 = 300,458.88 : x
  2. Step 2: Convert to fraction form
    470,126.88/648,614.88 = 300,458.88/x
  3. Step 3: Cross multiply
    470,126.88x = 648,614.88 × 300,458.88
  4. Step 4: Simplify right side
    470,126.88x = 194,882,100,396.13
  5. Step 5: Solve for x
    x = 194,882,100,396.13/470,126.88
  6. Step 6: Final answer
    x = 414,530.86

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