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Finding the Fourth Proportional to 488,607.60, 732,911.40 and 404,626.80

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Solution

The fourth proportional to 488,607.60, 732,911.40 and 404,626.80 is: 606,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,607.60 : 732,911.40 = 404,626.80 : x
  2. Step 2: Convert to fraction form
    488,607.60/732,911.40 = 404,626.80/x
  3. Step 3: Cross multiply
    488,607.60x = 732,911.40 × 404,626.80
  4. Step 4: Simplify right side
    488,607.60x = 296,555,594,465.52
  5. Step 5: Solve for x
    x = 296,555,594,465.52/488,607.60
  6. Step 6: Final answer
    x = 606,940.20

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