Home / 790,882.56-1,091,506.32-451,408.32

Finding the Fourth Proportional to 790,882.56, 1,091,506.32 and 451,408.32

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Solution

The fourth proportional to 790,882.56, 1,091,506.32 and 451,408.32 is: 622,993.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,882.56 : 1,091,506.32 = 451,408.32 : x
  2. Step 2: Convert to fraction form
    790,882.56/1,091,506.32 = 451,408.32/x
  3. Step 3: Cross multiply
    790,882.56x = 1,091,506.32 × 451,408.32
  4. Step 4: Simplify right side
    790,882.56x = 492,715,034,180.58
  5. Step 5: Solve for x
    x = 492,715,034,180.58/790,882.56
  6. Step 6: Final answer
    x = 622,993.93

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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.