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Finding the Fourth Proportional to 672,558, 928,149.48 and 370,771.44

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Solution

The fourth proportional to 672,558, 928,149.48 and 370,771.44 is: 511,675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,558 : 928,149.48 = 370,771.44 : x
  2. Step 2: Convert to fraction form
    672,558/928,149.48 = 370,771.44/x
  3. Step 3: Cross multiply
    672,558x = 928,149.48 × 370,771.44
  4. Step 4: Simplify right side
    672,558x = 344,131,319,234.85
  5. Step 5: Solve for x
    x = 344,131,319,234.85/672,558
  6. Step 6: Final answer
    x = 511,675.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.