Home / 862,708.44-1,294,015.58-263,669.40

Finding the Fourth Proportional to 862,708.44, 1,294,015.58 and 263,669.40

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Solution

The fourth proportional to 862,708.44, 1,294,015.58 and 263,669.40 is: 395,489.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,708.44 : 1,294,015.58 = 263,669.40 : x
  2. Step 2: Convert to fraction form
    862,708.44/1,294,015.58 = 263,669.40/x
  3. Step 3: Cross multiply
    862,708.44x = 1,294,015.58 × 263,669.40
  4. Step 4: Simplify right side
    862,708.44x = 341,192,311,569.25
  5. Step 5: Solve for x
    x = 341,192,311,569.25/862,708.44
  6. Step 6: Final answer
    x = 395,489.71

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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.