Home / 862,886.88-1,294,369.20-330,269.76

Finding the Fourth Proportional to 862,886.88, 1,294,369.20 and 330,269.76

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Solution

The fourth proportional to 862,886.88, 1,294,369.20 and 330,269.76 is: 495,419.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,886.88 : 1,294,369.20 = 330,269.76 : x
  2. Step 2: Convert to fraction form
    862,886.88/1,294,369.20 = 330,269.76/x
  3. Step 3: Cross multiply
    862,886.88x = 1,294,369.20 × 330,269.76
  4. Step 4: Simplify right side
    862,886.88x = 427,491,005,035.39
  5. Step 5: Solve for x
    x = 427,491,005,035.39/862,886.88
  6. Step 6: Final answer
    x = 495,419.52

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1.5x scale

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.