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Finding the Fourth Proportional to 500,424.48, 750,639.24 and 126,447.84

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Solution

The fourth proportional to 500,424.48, 750,639.24 and 126,447.84 is: 189,672.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,424.48 : 750,639.24 = 126,447.84 : x
  2. Step 2: Convert to fraction form
    500,424.48/750,639.24 = 126,447.84/x
  3. Step 3: Cross multiply
    500,424.48x = 750,639.24 × 126,447.84
  4. Step 4: Simplify right side
    500,424.48x = 94,916,710,517.24
  5. Step 5: Solve for x
    x = 94,916,710,517.24/500,424.48
  6. Step 6: Final answer
    x = 189,672.40

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