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Finding the Fourth Proportional to 482,800.40, 724,200.60 and 304,341.20

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Solution

The fourth proportional to 482,800.40, 724,200.60 and 304,341.20 is: 456,511.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,800.40 : 724,200.60 = 304,341.20 : x
  2. Step 2: Convert to fraction form
    482,800.40/724,200.60 = 304,341.20/x
  3. Step 3: Cross multiply
    482,800.40x = 724,200.60 × 304,341.20
  4. Step 4: Simplify right side
    482,800.40x = 220,404,079,644.72
  5. Step 5: Solve for x
    x = 220,404,079,644.72/482,800.40
  6. Step 6: Final answer
    x = 456,511.80

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