Home / 791,104.73-1,091,729.77-428,528.59

Finding the Fourth Proportional to 791,104.73, 1,091,729.77 and 428,528.59

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Solution

The fourth proportional to 791,104.73, 1,091,729.77 and 428,528.59 is: 591,372.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,104.73 : 1,091,729.77 = 428,528.59 : x
  2. Step 2: Convert to fraction form
    791,104.73/1,091,729.77 = 428,528.59/x
  3. Step 3: Cross multiply
    791,104.73x = 1,091,729.77 × 428,528.59
  4. Step 4: Simplify right side
    791,104.73x = 467,837,413,954.98
  5. Step 5: Solve for x
    x = 467,837,413,954.98/791,104.73
  6. Step 6: Final answer
    x = 591,372.29

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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.