Home / 780,994.11-1,170,153.84-426,257.04

Finding the Fourth Proportional to 780,994.11, 1,170,153.84 and 426,257.04

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Solution

The fourth proportional to 780,994.11, 1,170,153.84 and 426,257.04 is: 638,655.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,994.11 : 1,170,153.84 = 426,257.04 : x
  2. Step 2: Convert to fraction form
    780,994.11/1,170,153.84 = 426,257.04/x
  3. Step 3: Cross multiply
    780,994.11x = 1,170,153.84 × 426,257.04
  4. Step 4: Simplify right side
    780,994.11x = 498,786,312,183.03
  5. Step 5: Solve for x
    x = 498,786,312,183.03/780,994.11
  6. Step 6: Final answer
    x = 638,655.66

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