Home / 842,969.73-1,264,121.77-337,436.48

Finding the Fourth Proportional to 842,969.73, 1,264,121.77 and 337,436.48

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Solution

The fourth proportional to 842,969.73, 1,264,121.77 and 337,436.48 is: 506,021.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,969.73 : 1,264,121.77 = 337,436.48 : x
  2. Step 2: Convert to fraction form
    842,969.73/1,264,121.77 = 337,436.48/x
  3. Step 3: Cross multiply
    842,969.73x = 1,264,121.77 × 337,436.48
  4. Step 4: Simplify right side
    842,969.73x = 426,560,802,360.54
  5. Step 5: Solve for x
    x = 426,560,802,360.54/842,969.73
  6. Step 6: Final answer
    x = 506,021.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.