Home / 758,320.22-1,137,692.91-331,893.20

Finding the Fourth Proportional to 758,320.22, 1,137,692.91 and 331,893.20

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Solution

The fourth proportional to 758,320.22, 1,137,692.91 and 331,893.20 is: 497,932.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,320.22 : 1,137,692.91 = 331,893.20 : x
  2. Step 2: Convert to fraction form
    758,320.22/1,137,692.91 = 331,893.20/x
  3. Step 3: Cross multiply
    758,320.22x = 1,137,692.91 × 331,893.20
  4. Step 4: Simplify right side
    758,320.22x = 377,592,540,517.21
  5. Step 5: Solve for x
    x = 377,592,540,517.21/758,320.22
  6. Step 6: Final answer
    x = 497,932.84

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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.