Home / 644,211.44-966,120.30-307,074.46

Finding the Fourth Proportional to 644,211.44, 966,120.30 and 307,074.46

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Solution

The fourth proportional to 644,211.44, 966,120.30 and 307,074.46 is: 460,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,211.44 : 966,120.30 = 307,074.46 : x
  2. Step 2: Convert to fraction form
    644,211.44/966,120.30 = 307,074.46/x
  3. Step 3: Cross multiply
    644,211.44x = 966,120.30 × 307,074.46
  4. Step 4: Simplify right side
    644,211.44x = 296,670,869,417.54
  5. Step 5: Solve for x
    x = 296,670,869,417.54/644,211.44
  6. Step 6: Final answer
    x = 460,517.85

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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.