Home / 791,370.77-1,092,092.64-428,794.52

Finding the Fourth Proportional to 791,370.77, 1,092,092.64 and 428,794.52

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Solution

The fourth proportional to 791,370.77, 1,092,092.64 and 428,794.52 is: 591,736.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,370.77 : 1,092,092.64 = 428,794.52 : x
  2. Step 2: Convert to fraction form
    791,370.77/1,092,092.64 = 428,794.52/x
  3. Step 3: Cross multiply
    791,370.77x = 1,092,092.64 × 428,794.52
  4. Step 4: Simplify right side
    791,370.77x = 468,283,339,364.33
  5. Step 5: Solve for x
    x = 468,283,339,364.33/791,370.77
  6. Step 6: Final answer
    x = 591,736.97

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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.