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Finding the Fourth Proportional to 470,942.80, 705,247.80 and 377,630.80

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Solution

The fourth proportional to 470,942.80, 705,247.80 and 377,630.80 is: 565,510.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,942.80 : 705,247.80 = 377,630.80 : x
  2. Step 2: Convert to fraction form
    470,942.80/705,247.80 = 377,630.80/x
  3. Step 3: Cross multiply
    470,942.80x = 705,247.80 × 377,630.80
  4. Step 4: Simplify right side
    470,942.80x = 266,323,290,912.24
  5. Step 5: Solve for x
    x = 266,323,290,912.24/470,942.80
  6. Step 6: Final answer
    x = 565,510.91

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