Home / 790,753.76-1,091,318.32-451,273.04

Finding the Fourth Proportional to 790,753.76, 1,091,318.32 and 451,273.04

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Solution

The fourth proportional to 790,753.76, 1,091,318.32 and 451,273.04 is: 622,801.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,753.76 : 1,091,318.32 = 451,273.04 : x
  2. Step 2: Convert to fraction form
    790,753.76/1,091,318.32 = 451,273.04/x
  3. Step 3: Cross multiply
    790,753.76x = 1,091,318.32 × 451,273.04
  4. Step 4: Simplify right side
    790,753.76x = 492,482,535,874.09
  5. Step 5: Solve for x
    x = 492,482,535,874.09/790,753.76
  6. Step 6: Final answer
    x = 622,801.38

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1.5x scale

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.