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Finding the Fourth Proportional to 482,776.40, 724,164.60 and 304,317.20

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Solution

The fourth proportional to 482,776.40, 724,164.60 and 304,317.20 is: 456,475.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,776.40 : 724,164.60 = 304,317.20 : x
  2. Step 2: Convert to fraction form
    482,776.40/724,164.60 = 304,317.20/x
  3. Step 3: Cross multiply
    482,776.40x = 724,164.60 × 304,317.20
  4. Step 4: Simplify right side
    482,776.40x = 220,375,743,411.12
  5. Step 5: Solve for x
    x = 220,375,743,411.12/482,776.40
  6. Step 6: Final answer
    x = 456,475.80

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