Home / 678,577.01-936,551.46-392,263.07

Finding the Fourth Proportional to 678,577.01, 936,551.46 and 392,263.07

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Solution

The fourth proportional to 678,577.01, 936,551.46 and 392,263.07 is: 541,389.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,577.01 : 936,551.46 = 392,263.07 : x
  2. Step 2: Convert to fraction form
    678,577.01/936,551.46 = 392,263.07/x
  3. Step 3: Cross multiply
    678,577.01x = 936,551.46 × 392,263.07
  4. Step 4: Simplify right side
    678,577.01x = 367,374,550,912.58
  5. Step 5: Solve for x
    x = 367,374,550,912.58/678,577.01
  6. Step 6: Final answer
    x = 541,389.62

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