Home / 790,792.20-1,091,311.56-451,292.04

Finding the Fourth Proportional to 790,792.20, 1,091,311.56 and 451,292.04

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Solution

The fourth proportional to 790,792.20, 1,091,311.56 and 451,292.04 is: 622,793.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,792.20 : 1,091,311.56 = 451,292.04 : x
  2. Step 2: Convert to fraction form
    790,792.20/1,091,311.56 = 451,292.04/x
  3. Step 3: Cross multiply
    790,792.20x = 1,091,311.56 × 451,292.04
  4. Step 4: Simplify right side
    790,792.20x = 492,500,220,187.98
  5. Step 5: Solve for x
    x = 492,500,220,187.98/790,792.20
  6. Step 6: Final answer
    x = 622,793.47

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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.