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Finding the Fourth Proportional to 482,898.40, 724,347.60 and 304,439.20

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Solution

The fourth proportional to 482,898.40, 724,347.60 and 304,439.20 is: 456,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,898.40 : 724,347.60 = 304,439.20 : x
  2. Step 2: Convert to fraction form
    482,898.40/724,347.60 = 304,439.20/x
  3. Step 3: Cross multiply
    482,898.40x = 724,347.60 × 304,439.20
  4. Step 4: Simplify right side
    482,898.40x = 220,519,803,865.92
  5. Step 5: Solve for x
    x = 220,519,803,865.92/482,898.40
  6. Step 6: Final answer
    x = 456,658.80

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