Home / 862,959.12-1,294,489.70-263,961.69

Finding the Fourth Proportional to 862,959.12, 1,294,489.70 and 263,961.69

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Solution

The fourth proportional to 862,959.12, 1,294,489.70 and 263,961.69 is: 395,958.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,959.12 : 1,294,489.70 = 263,961.69 : x
  2. Step 2: Convert to fraction form
    862,959.12/1,294,489.70 = 263,961.69/x
  3. Step 3: Cross multiply
    862,959.12x = 1,294,489.70 × 263,961.69
  4. Step 4: Simplify right side
    862,959.12x = 341,695,685,200.09
  5. Step 5: Solve for x
    x = 341,695,685,200.09/862,959.12
  6. Step 6: Final answer
    x = 395,958.14

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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.