Home / 389,414.96-537,635.92-298,596.44

Finding the Fourth Proportional to 389,414.96, 537,635.92 and 298,596.44

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Solution

The fourth proportional to 389,414.96, 537,635.92 and 298,596.44 is: 412,249.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,414.96 : 537,635.92 = 298,596.44 : x
  2. Step 2: Convert to fraction form
    389,414.96/537,635.92 = 298,596.44/x
  3. Step 3: Cross multiply
    389,414.96x = 537,635.92 × 298,596.44
  4. Step 4: Simplify right side
    389,414.96x = 160,536,168,293.45
  5. Step 5: Solve for x
    x = 160,536,168,293.45/389,414.96
  6. Step 6: Final answer
    x = 412,249.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.