Home / 613,027.52-919,083.14-422,945.48

Finding the Fourth Proportional to 613,027.52, 919,083.14 and 422,945.48

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Solution

The fourth proportional to 613,027.52, 919,083.14 and 422,945.48 is: 634,102.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,027.52 : 919,083.14 = 422,945.48 : x
  2. Step 2: Convert to fraction form
    613,027.52/919,083.14 = 422,945.48/x
  3. Step 3: Cross multiply
    613,027.52x = 919,083.14 × 422,945.48
  4. Step 4: Simplify right side
    613,027.52x = 388,722,058,129.67
  5. Step 5: Solve for x
    x = 388,722,058,129.67/613,027.52
  6. Step 6: Final answer
    x = 634,102.14

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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.