Home / 491,544.72-736,136.10-280,542.96

Finding the Fourth Proportional to 491,544.72, 736,136.10 and 280,542.96

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Solution

The fourth proportional to 491,544.72, 736,136.10 and 280,542.96 is: 420,140.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,544.72 : 736,136.10 = 280,542.96 : x
  2. Step 2: Convert to fraction form
    491,544.72/736,136.10 = 280,542.96/x
  3. Step 3: Cross multiply
    491,544.72x = 736,136.10 × 280,542.96
  4. Step 4: Simplify right side
    491,544.72x = 206,517,800,456.86
  5. Step 5: Solve for x
    x = 206,517,800,456.86/491,544.72
  6. Step 6: Final answer
    x = 420,140.41

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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.