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Finding the Fourth Proportional to 482,804.40, 724,206.60 and 283,220.40

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Solution

The fourth proportional to 482,804.40, 724,206.60 and 283,220.40 is: 424,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,804.40 : 724,206.60 = 283,220.40 : x
  2. Step 2: Convert to fraction form
    482,804.40/724,206.60 = 283,220.40/x
  3. Step 3: Cross multiply
    482,804.40x = 724,206.60 × 283,220.40
  4. Step 4: Simplify right side
    482,804.40x = 205,110,082,934.64
  5. Step 5: Solve for x
    x = 205,110,082,934.64/482,804.40
  6. Step 6: Final answer
    x = 424,830.60

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