Home / 439,836.72-659,755.08-252,728.88

Finding the Fourth Proportional to 439,836.72, 659,755.08 and 252,728.88

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Solution

The fourth proportional to 439,836.72, 659,755.08 and 252,728.88 is: 379,093.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,836.72 : 659,755.08 = 252,728.88 : x
  2. Step 2: Convert to fraction form
    439,836.72/659,755.08 = 252,728.88/x
  3. Step 3: Cross multiply
    439,836.72x = 659,755.08 × 252,728.88
  4. Step 4: Simplify right side
    439,836.72x = 166,739,162,442.71
  5. Step 5: Solve for x
    x = 166,739,162,442.71/439,836.72
  6. Step 6: Final answer
    x = 379,093.32

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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.