Home / 791,047.67-1,091,645.82-428,471.53

Finding the Fourth Proportional to 791,047.67, 1,091,645.82 and 428,471.53

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Solution

The fourth proportional to 791,047.67, 1,091,645.82 and 428,471.53 is: 591,290.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,047.67 : 1,091,645.82 = 428,471.53 : x
  2. Step 2: Convert to fraction form
    791,047.67/1,091,645.82 = 428,471.53/x
  3. Step 3: Cross multiply
    791,047.67x = 1,091,645.82 × 428,471.53
  4. Step 4: Simplify right side
    791,047.67x = 467,739,150,377.62
  5. Step 5: Solve for x
    x = 467,739,150,377.62/791,047.67
  6. Step 6: Final answer
    x = 591,290.73

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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.