Home / 791,026.44-1,091,609.91-428,441.82

Finding the Fourth Proportional to 791,026.44, 1,091,609.91 and 428,441.82

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Solution

The fourth proportional to 791,026.44, 1,091,609.91 and 428,441.82 is: 591,246.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,026.44 : 1,091,609.91 = 428,441.82 : x
  2. Step 2: Convert to fraction form
    791,026.44/1,091,609.91 = 428,441.82/x
  3. Step 3: Cross multiply
    791,026.44x = 1,091,609.91 × 428,441.82
  4. Step 4: Simplify right side
    791,026.44x = 467,691,336,570.44
  5. Step 5: Solve for x
    x = 467,691,336,570.44/791,026.44
  6. Step 6: Final answer
    x = 591,246.15

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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.