Home / 642,022.81-885,956.15-351,577.99

Finding the Fourth Proportional to 642,022.81, 885,956.15 and 351,577.99

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Solution

The fourth proportional to 642,022.81, 885,956.15 and 351,577.99 is: 485,158.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,022.81 : 885,956.15 = 351,577.99 : x
  2. Step 2: Convert to fraction form
    642,022.81/885,956.15 = 351,577.99/x
  3. Step 3: Cross multiply
    642,022.81x = 885,956.15 × 351,577.99
  4. Step 4: Simplify right side
    642,022.81x = 311,482,682,884.05
  5. Step 5: Solve for x
    x = 311,482,682,884.05/642,022.81
  6. Step 6: Final answer
    x = 485,158.28

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