Home / 683,278.30-1,024,917.45-309,301.30

Finding the Fourth Proportional to 683,278.30, 1,024,917.45 and 309,301.30

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Solution

The fourth proportional to 683,278.30, 1,024,917.45 and 309,301.30 is: 463,951.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,278.30 : 1,024,917.45 = 309,301.30 : x
  2. Step 2: Convert to fraction form
    683,278.30/1,024,917.45 = 309,301.30/x
  3. Step 3: Cross multiply
    683,278.30x = 1,024,917.45 × 309,301.30
  4. Step 4: Simplify right side
    683,278.30x = 317,008,299,677.69
  5. Step 5: Solve for x
    x = 317,008,299,677.69/683,278.30
  6. Step 6: Final answer
    x = 463,951.95

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