Home / 547,085.73-754,976.44-305,366.21

Finding the Fourth Proportional to 547,085.73, 754,976.44 and 305,366.21

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Solution

The fourth proportional to 547,085.73, 754,976.44 and 305,366.21 is: 421,404.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,085.73 : 754,976.44 = 305,366.21 : x
  2. Step 2: Convert to fraction form
    547,085.73/754,976.44 = 305,366.21/x
  3. Step 3: Cross multiply
    547,085.73x = 754,976.44 × 305,366.21
  4. Step 4: Simplify right side
    547,085.73x = 230,544,294,122.09
  5. Step 5: Solve for x
    x = 230,544,294,122.09/547,085.73
  6. Step 6: Final answer
    x = 421,404.33

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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.