Home / 658,015.94-986,822.98-278,929.56

Finding the Fourth Proportional to 658,015.94, 986,822.98 and 278,929.56

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Solution

The fourth proportional to 658,015.94, 986,822.98 and 278,929.56 is: 418,309.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,015.94 : 986,822.98 = 278,929.56 : x
  2. Step 2: Convert to fraction form
    658,015.94/986,822.98 = 278,929.56/x
  3. Step 3: Cross multiply
    658,015.94x = 986,822.98 × 278,929.56
  4. Step 4: Simplify right side
    658,015.94x = 275,254,099,609.29
  5. Step 5: Solve for x
    x = 275,254,099,609.29/658,015.94
  6. Step 6: Final answer
    x = 418,309.17

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