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Finding the Fourth Proportional to 699,375.90, 1,049,063.85 and 366,908.70

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Solution

The fourth proportional to 699,375.90, 1,049,063.85 and 366,908.70 is: 550,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,375.90 : 1,049,063.85 = 366,908.70 : x
  2. Step 2: Convert to fraction form
    699,375.90/1,049,063.85 = 366,908.70/x
  3. Step 3: Cross multiply
    699,375.90x = 1,049,063.85 × 366,908.70
  4. Step 4: Simplify right side
    699,375.90x = 384,910,653,420.50
  5. Step 5: Solve for x
    x = 384,910,653,420.50/699,375.90
  6. Step 6: Final answer
    x = 550,363.05

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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.