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Finding the Fourth Proportional to 482,842.40, 724,263.60 and 304,383.20

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Solution

The fourth proportional to 482,842.40, 724,263.60 and 304,383.20 is: 456,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,842.40 : 724,263.60 = 304,383.20 : x
  2. Step 2: Convert to fraction form
    482,842.40/724,263.60 = 304,383.20/x
  3. Step 3: Cross multiply
    482,842.40x = 724,263.60 × 304,383.20
  4. Step 4: Simplify right side
    482,842.40x = 220,453,672,211.52
  5. Step 5: Solve for x
    x = 220,453,672,211.52/482,842.40
  6. Step 6: Final answer
    x = 456,574.80

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