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Finding the Fourth Proportional to 446,793.60, 671,572.80 and 438,499.20

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Solution

The fourth proportional to 446,793.60, 671,572.80 and 438,499.20 is: 659,105.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,793.60 : 671,572.80 = 438,499.20 : x
  2. Step 2: Convert to fraction form
    446,793.60/671,572.80 = 438,499.20/x
  3. Step 3: Cross multiply
    446,793.60x = 671,572.80 × 438,499.20
  4. Step 4: Simplify right side
    446,793.60x = 294,484,135,541.76
  5. Step 5: Solve for x
    x = 294,484,135,541.76/446,793.60
  6. Step 6: Final answer
    x = 659,105.54

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