Home / 809,684.64-1,213,870.73-336,724.02

Finding the Fourth Proportional to 809,684.64, 1,213,870.73 and 336,724.02

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Solution

The fourth proportional to 809,684.64, 1,213,870.73 and 336,724.02 is: 504,813.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,684.64 : 1,213,870.73 = 336,724.02 : x
  2. Step 2: Convert to fraction form
    809,684.64/1,213,870.73 = 336,724.02/x
  3. Step 3: Cross multiply
    809,684.64x = 1,213,870.73 × 336,724.02
  4. Step 4: Simplify right side
    809,684.64x = 408,739,430,282.32
  5. Step 5: Solve for x
    x = 408,739,430,282.32/809,684.64
  6. Step 6: Final answer
    x = 504,813.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.