Home / 862,772.12-1,294,161.38-263,730.96

Finding the Fourth Proportional to 862,772.12, 1,294,161.38 and 263,730.96

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Solution

The fourth proportional to 862,772.12, 1,294,161.38 and 263,730.96 is: 395,597.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,772.12 : 1,294,161.38 = 263,730.96 : x
  2. Step 2: Convert to fraction form
    862,772.12/1,294,161.38 = 263,730.96/x
  3. Step 3: Cross multiply
    862,772.12x = 1,294,161.38 × 263,730.96
  4. Step 4: Simplify right side
    862,772.12x = 341,310,423,142.33
  5. Step 5: Solve for x
    x = 341,310,423,142.33/862,772.12
  6. Step 6: Final answer
    x = 395,597.42

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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.