Home / 496,100.11-743,909.43-290,990.79

Finding the Fourth Proportional to 496,100.11, 743,909.43 and 290,990.79

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Solution

The fourth proportional to 496,100.11, 743,909.43 and 290,990.79 is: 436,344.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,100.11 : 743,909.43 = 290,990.79 : x
  2. Step 2: Convert to fraction form
    496,100.11/743,909.43 = 290,990.79/x
  3. Step 3: Cross multiply
    496,100.11x = 743,909.43 × 290,990.79
  4. Step 4: Simplify right side
    496,100.11x = 216,470,792,724.15
  5. Step 5: Solve for x
    x = 216,470,792,724.15/496,100.11
  6. Step 6: Final answer
    x = 436,344.98

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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.