Home / 791,351.88-1,092,064.06-428,785.56

Finding the Fourth Proportional to 791,351.88, 1,092,064.06 and 428,785.56

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Solution

The fourth proportional to 791,351.88, 1,092,064.06 and 428,785.56 is: 591,723.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,351.88 : 1,092,064.06 = 428,785.56 : x
  2. Step 2: Convert to fraction form
    791,351.88/1,092,064.06 = 428,785.56/x
  3. Step 3: Cross multiply
    791,351.88x = 1,092,064.06 × 428,785.56
  4. Step 4: Simplify right side
    791,351.88x = 468,261,291,918.73
  5. Step 5: Solve for x
    x = 468,261,291,918.73/791,351.88
  6. Step 6: Final answer
    x = 591,723.23

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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.