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Finding the Fourth Proportional to 488,465.40, 732,479.40 and 188,846.40

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Solution

The fourth proportional to 488,465.40, 732,479.40 and 188,846.40 is: 283,185.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,465.40 : 732,479.40 = 188,846.40 : x
  2. Step 2: Convert to fraction form
    488,465.40/732,479.40 = 188,846.40/x
  3. Step 3: Cross multiply
    488,465.40x = 732,479.40 × 188,846.40
  4. Step 4: Simplify right side
    488,465.40x = 138,326,097,764.16
  5. Step 5: Solve for x
    x = 138,326,097,764.16/488,465.40
  6. Step 6: Final answer
    x = 283,185.05

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