Home / 862,630.64-1,294,178.92-263,575.44

Finding the Fourth Proportional to 862,630.64, 1,294,178.92 and 263,575.44

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Solution

The fourth proportional to 862,630.64, 1,294,178.92 and 263,575.44 is: 395,434.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,630.64 : 1,294,178.92 = 263,575.44 : x
  2. Step 2: Convert to fraction form
    862,630.64/1,294,178.92 = 263,575.44/x
  3. Step 3: Cross multiply
    862,630.64x = 1,294,178.92 × 263,575.44
  4. Step 4: Simplify right side
    862,630.64x = 341,113,778,277.73
  5. Step 5: Solve for x
    x = 341,113,778,277.73/862,630.64
  6. Step 6: Final answer
    x = 395,434.34

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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.