Home / 479,227.17-661,311.23-275,134.43

Finding the Fourth Proportional to 479,227.17, 661,311.23 and 275,134.43

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Solution

The fourth proportional to 479,227.17, 661,311.23 and 275,134.43 is: 379,672.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,227.17 : 661,311.23 = 275,134.43 : x
  2. Step 2: Convert to fraction form
    479,227.17/661,311.23 = 275,134.43/x
  3. Step 3: Cross multiply
    479,227.17x = 661,311.23 × 275,134.43
  4. Step 4: Simplify right side
    479,227.17x = 181,949,483,636.42
  5. Step 5: Solve for x
    x = 181,949,483,636.42/479,227.17
  6. Step 6: Final answer
    x = 379,672.72

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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.