Home / 641,022.40-960,367.20-522,049.60

Finding the Fourth Proportional to 641,022.40, 960,367.20 and 522,049.60

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Solution

The fourth proportional to 641,022.40, 960,367.20 and 522,049.60 is: 782,124.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,022.40 : 960,367.20 = 522,049.60 : x
  2. Step 2: Convert to fraction form
    641,022.40/960,367.20 = 522,049.60/x
  3. Step 3: Cross multiply
    641,022.40x = 960,367.20 × 522,049.60
  4. Step 4: Simplify right side
    641,022.40x = 501,359,312,613.12
  5. Step 5: Solve for x
    x = 501,359,312,613.12/641,022.40
  6. Step 6: Final answer
    x = 782,124.48

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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.