Home / 721,710.60-1,082,825.10-301,115.40

Finding the Fourth Proportional to 721,710.60, 1,082,825.10 and 301,115.40

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Solution

The fourth proportional to 721,710.60, 1,082,825.10 and 301,115.40 is: 451,781.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,710.60 : 1,082,825.10 = 301,115.40 : x
  2. Step 2: Convert to fraction form
    721,710.60/1,082,825.10 = 301,115.40/x
  3. Step 3: Cross multiply
    721,710.60x = 1,082,825.10 × 301,115.40
  4. Step 4: Simplify right side
    721,710.60x = 326,055,313,116.54
  5. Step 5: Solve for x
    x = 326,055,313,116.54/721,710.60
  6. Step 6: Final answer
    x = 451,781.24

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