Home / 813,494.25-1,122,676.11-450,933.39

Finding the Fourth Proportional to 813,494.25, 1,122,676.11 and 450,933.39

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Solution

The fourth proportional to 813,494.25, 1,122,676.11 and 450,933.39 is: 622,318.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,494.25 : 1,122,676.11 = 450,933.39 : x
  2. Step 2: Convert to fraction form
    813,494.25/1,122,676.11 = 450,933.39/x
  3. Step 3: Cross multiply
    813,494.25x = 1,122,676.11 × 450,933.39
  4. Step 4: Simplify right side
    813,494.25x = 506,252,141,899.65
  5. Step 5: Solve for x
    x = 506,252,141,899.65/813,494.25
  6. Step 6: Final answer
    x = 622,318.03

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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.