Home / 330,523.38-494,579.79-305,432.82

Finding the Fourth Proportional to 330,523.38, 494,579.79 and 305,432.82

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Solution

The fourth proportional to 330,523.38, 494,579.79 and 305,432.82 is: 457,035.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,523.38 : 494,579.79 = 305,432.82 : x
  2. Step 2: Convert to fraction form
    330,523.38/494,579.79 = 305,432.82/x
  3. Step 3: Cross multiply
    330,523.38x = 494,579.79 × 305,432.82
  4. Step 4: Simplify right side
    330,523.38x = 151,060,899,974.71
  5. Step 5: Solve for x
    x = 151,060,899,974.71/330,523.38
  6. Step 6: Final answer
    x = 457,035.44

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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.