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Finding the Fourth Proportional to 482,960.80, 724,441.20 and 474,666.40

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Solution

The fourth proportional to 482,960.80, 724,441.20 and 474,666.40 is: 711,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,960.80 : 724,441.20 = 474,666.40 : x
  2. Step 2: Convert to fraction form
    482,960.80/724,441.20 = 474,666.40/x
  3. Step 3: Cross multiply
    482,960.80x = 724,441.20 × 474,666.40
  4. Step 4: Simplify right side
    482,960.80x = 343,867,896,415.68
  5. Step 5: Solve for x
    x = 343,867,896,415.68/482,960.80
  6. Step 6: Final answer
    x = 711,999.60

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