Home / 541,989.17-747,944.52-300,286.79

Finding the Fourth Proportional to 541,989.17, 747,944.52 and 300,286.79

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Solution

The fourth proportional to 541,989.17, 747,944.52 and 300,286.79 is: 414,395.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,989.17 : 747,944.52 = 300,286.79 : x
  2. Step 2: Convert to fraction form
    541,989.17/747,944.52 = 300,286.79/x
  3. Step 3: Cross multiply
    541,989.17x = 747,944.52 × 300,286.79
  4. Step 4: Simplify right side
    541,989.17x = 224,597,859,008.89
  5. Step 5: Solve for x
    x = 224,597,859,008.89/541,989.17
  6. Step 6: Final answer
    x = 414,395.47

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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.