Home / 813,447.54-1,122,546.60-450,863.73

Finding the Fourth Proportional to 813,447.54, 1,122,546.60 and 450,863.73

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Solution

The fourth proportional to 813,447.54, 1,122,546.60 and 450,863.73 is: 622,185.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,447.54 : 1,122,546.60 = 450,863.73 : x
  2. Step 2: Convert to fraction form
    813,447.54/1,122,546.60 = 450,863.73/x
  3. Step 3: Cross multiply
    813,447.54x = 1,122,546.60 × 450,863.73
  4. Step 4: Simplify right side
    813,447.54x = 506,115,547,174.82
  5. Step 5: Solve for x
    x = 506,115,547,174.82/813,447.54
  6. Step 6: Final answer
    x = 622,185.85

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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.