Home / 912,231.81-1,366,844.85-312,863.99

Finding the Fourth Proportional to 912,231.81, 1,366,844.85 and 312,863.99

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Solution

The fourth proportional to 912,231.81, 1,366,844.85 and 312,863.99 is: 468,780.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,231.81 : 1,366,844.85 = 312,863.99 : x
  2. Step 2: Convert to fraction form
    912,231.81/1,366,844.85 = 312,863.99/x
  3. Step 3: Cross multiply
    912,231.81x = 1,366,844.85 × 312,863.99
  4. Step 4: Simplify right side
    912,231.81x = 427,636,526,647.73
  5. Step 5: Solve for x
    x = 427,636,526,647.73/912,231.81
  6. Step 6: Final answer
    x = 468,780.55

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