Home / 808,289.88-1,212,640.76-239,691.75

Finding the Fourth Proportional to 808,289.88, 1,212,640.76 and 239,691.75

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Solution

The fourth proportional to 808,289.88, 1,212,640.76 and 239,691.75 is: 359,598.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,289.88 : 1,212,640.76 = 239,691.75 : x
  2. Step 2: Convert to fraction form
    808,289.88/1,212,640.76 = 239,691.75/x
  3. Step 3: Cross multiply
    808,289.88x = 1,212,640.76 × 239,691.75
  4. Step 4: Simplify right side
    808,289.88x = 290,659,985,885.73
  5. Step 5: Solve for x
    x = 290,659,985,885.73/808,289.88
  6. Step 6: Final answer
    x = 359,598.69

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