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Finding the Fourth Proportional to 477,471.80, 716,208.11 and 122,485.86

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Solution

The fourth proportional to 477,471.80, 716,208.11 and 122,485.86 is: 183,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,471.80 : 716,208.11 = 122,485.86 : x
  2. Step 2: Convert to fraction form
    477,471.80/716,208.11 = 122,485.86/x
  3. Step 3: Cross multiply
    477,471.80x = 716,208.11 × 122,485.86
  4. Step 4: Simplify right side
    477,471.80x = 87,725,365,679.90
  5. Step 5: Solve for x
    x = 87,725,365,679.90/477,471.80
  6. Step 6: Final answer
    x = 183,728.90

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