Home / 862,999.27-1,294,550.80-263,965.61

Finding the Fourth Proportional to 862,999.27, 1,294,550.80 and 263,965.61

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Solution

The fourth proportional to 862,999.27, 1,294,550.80 and 263,965.61 is: 395,964.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,999.27 : 1,294,550.80 = 263,965.61 : x
  2. Step 2: Convert to fraction form
    862,999.27/1,294,550.80 = 263,965.61/x
  3. Step 3: Cross multiply
    862,999.27x = 1,294,550.80 × 263,965.61
  4. Step 4: Simplify right side
    862,999.27x = 341,716,894,174.45
  5. Step 5: Solve for x
    x = 341,716,894,174.45/862,999.27
  6. Step 6: Final answer
    x = 395,964.29

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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.