Home / 491,933.12-737,899.82-379,777.06

Finding the Fourth Proportional to 491,933.12, 737,899.82 and 379,777.06

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Solution

The fourth proportional to 491,933.12, 737,899.82 and 379,777.06 is: 569,665.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,933.12 : 737,899.82 = 379,777.06 : x
  2. Step 2: Convert to fraction form
    491,933.12/737,899.82 = 379,777.06/x
  3. Step 3: Cross multiply
    491,933.12x = 737,899.82 × 379,777.06
  4. Step 4: Simplify right side
    491,933.12x = 280,237,418,625.75
  5. Step 5: Solve for x
    x = 280,237,418,625.75/491,933.12
  6. Step 6: Final answer
    x = 569,665.69

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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.