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Finding the Fourth Proportional to 493,366, 680,847.87 and 275,583.84

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Solution

The fourth proportional to 493,366, 680,847.87 and 275,583.84 is: 380,307.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,366 : 680,847.87 = 275,583.84 : x
  2. Step 2: Convert to fraction form
    493,366/680,847.87 = 275,583.84/x
  3. Step 3: Cross multiply
    493,366x = 680,847.87 × 275,583.84
  4. Step 4: Simplify right side
    493,366x = 187,630,670,470.42
  5. Step 5: Solve for x
    x = 187,630,670,470.42/493,366
  6. Step 6: Final answer
    x = 380,307.26

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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.