Home / 758,387.21-1,137,791.41-331,846.61

Finding the Fourth Proportional to 758,387.21, 1,137,791.41 and 331,846.61

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Solution

The fourth proportional to 758,387.21, 1,137,791.41 and 331,846.61 is: 497,862.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,387.21 : 1,137,791.41 = 331,846.61 : x
  2. Step 2: Convert to fraction form
    758,387.21/1,137,791.41 = 331,846.61/x
  3. Step 3: Cross multiply
    758,387.21x = 1,137,791.41 × 331,846.61
  4. Step 4: Simplify right side
    758,387.21x = 377,572,215,777.05
  5. Step 5: Solve for x
    x = 377,572,215,777.05/758,387.21
  6. Step 6: Final answer
    x = 497,862.06

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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.