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Finding the Fourth Proportional to 482,888.40, 724,332.60 and 304,429.20

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Solution

The fourth proportional to 482,888.40, 724,332.60 and 304,429.20 is: 456,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,888.40 : 724,332.60 = 304,429.20 : x
  2. Step 2: Convert to fraction form
    482,888.40/724,332.60 = 304,429.20/x
  3. Step 3: Cross multiply
    482,888.40x = 724,332.60 × 304,429.20
  4. Step 4: Simplify right side
    482,888.40x = 220,507,993,951.92
  5. Step 5: Solve for x
    x = 220,507,993,951.92/482,888.40
  6. Step 6: Final answer
    x = 456,643.80

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