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Finding the Fourth Proportional to 809,050, 1,116,489.48 and 451,354

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Solution

The fourth proportional to 809,050, 1,116,489.48 and 451,354 is: 622,868.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,050 : 1,116,489.48 = 451,354 : x
  2. Step 2: Convert to fraction form
    809,050/1,116,489.48 = 451,354/x
  3. Step 3: Cross multiply
    809,050x = 1,116,489.48 × 451,354
  4. Step 4: Simplify right side
    809,050x = 503,931,992,755.92
  5. Step 5: Solve for x
    x = 503,931,992,755.92/809,050
  6. Step 6: Final answer
    x = 622,868.79

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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.