Home / 862,891.38-1,294,375.95-330,274.26

Finding the Fourth Proportional to 862,891.38, 1,294,375.95 and 330,274.26

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Solution

The fourth proportional to 862,891.38, 1,294,375.95 and 330,274.26 is: 495,426.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,891.38 : 1,294,375.95 = 330,274.26 : x
  2. Step 2: Convert to fraction form
    862,891.38/1,294,375.95 = 330,274.26/x
  3. Step 3: Cross multiply
    862,891.38x = 1,294,375.95 × 330,274.26
  4. Step 4: Simplify right side
    862,891.38x = 427,499,059,048.05
  5. Step 5: Solve for x
    x = 427,499,059,048.05/862,891.38
  6. Step 6: Final answer
    x = 495,426.27

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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.