Home / 862,771.63-1,294,160.79-263,730.46

Finding the Fourth Proportional to 862,771.63, 1,294,160.79 and 263,730.46

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Solution

The fourth proportional to 862,771.63, 1,294,160.79 and 263,730.46 is: 395,596.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,771.63 : 1,294,160.79 = 263,730.46 : x
  2. Step 2: Convert to fraction form
    862,771.63/1,294,160.79 = 263,730.46/x
  3. Step 3: Cross multiply
    862,771.63x = 1,294,160.79 × 263,730.46
  4. Step 4: Simplify right side
    862,771.63x = 341,309,620,460.66
  5. Step 5: Solve for x
    x = 341,309,620,460.66/862,771.63
  6. Step 6: Final answer
    x = 395,596.71

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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.