Home / 862,628.64-1,294,175.92-263,573.44

Finding the Fourth Proportional to 862,628.64, 1,294,175.92 and 263,573.44

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Solution

The fourth proportional to 862,628.64, 1,294,175.92 and 263,573.44 is: 395,431.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,628.64 : 1,294,175.92 = 263,573.44 : x
  2. Step 2: Convert to fraction form
    862,628.64/1,294,175.92 = 263,573.44/x
  3. Step 3: Cross multiply
    862,628.64x = 1,294,175.92 × 263,573.44
  4. Step 4: Simplify right side
    862,628.64x = 341,110,399,199.57
  5. Step 5: Solve for x
    x = 341,110,399,199.57/862,628.64
  6. Step 6: Final answer
    x = 395,431.34

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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.