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Finding the Fourth Proportional to 488,447.40, 732,452.40 and 188,828.40

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Solution

The fourth proportional to 488,447.40, 732,452.40 and 188,828.40 is: 283,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,447.40 : 732,452.40 = 188,828.40 : x
  2. Step 2: Convert to fraction form
    488,447.40/732,452.40 = 188,828.40/x
  3. Step 3: Cross multiply
    488,447.40x = 732,452.40 × 188,828.40
  4. Step 4: Simplify right side
    488,447.40x = 138,307,814,768.16
  5. Step 5: Solve for x
    x = 138,307,814,768.16/488,447.40
  6. Step 6: Final answer
    x = 283,158.05

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