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Finding the Fourth Proportional to 496,101.10, 743,910.92 and 290,991.80

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Solution

The fourth proportional to 496,101.10, 743,910.92 and 290,991.80 is: 436,346.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,101.10 : 743,910.92 = 290,991.80 : x
  2. Step 2: Convert to fraction form
    496,101.10/743,910.92 = 290,991.80/x
  3. Step 3: Cross multiply
    496,101.10x = 743,910.92 × 290,991.80
  4. Step 4: Simplify right side
    496,101.10x = 216,471,977,650.46
  5. Step 5: Solve for x
    x = 216,471,977,650.46/496,101.10
  6. Step 6: Final answer
    x = 436,346.50

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1.5x scale

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.