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Finding the Fourth Proportional to 446,651.46, 670,020.93 and 147,009.78

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Solution

The fourth proportional to 446,651.46, 670,020.93 and 147,009.78 is: 220,529.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,651.46 : 670,020.93 = 147,009.78 : x
  2. Step 2: Convert to fraction form
    446,651.46/670,020.93 = 147,009.78/x
  3. Step 3: Cross multiply
    446,651.46x = 670,020.93 × 147,009.78
  4. Step 4: Simplify right side
    446,651.46x = 98,499,629,514.70
  5. Step 5: Solve for x
    x = 98,499,629,514.70/446,651.46
  6. Step 6: Final answer
    x = 220,529.07

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