Home / 496,679.06-685,548.90-305,852.37

Finding the Fourth Proportional to 496,679.06, 685,548.90 and 305,852.37

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Solution

The fourth proportional to 496,679.06, 685,548.90 and 305,852.37 is: 422,157.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,679.06 : 685,548.90 = 305,852.37 : x
  2. Step 2: Convert to fraction form
    496,679.06/685,548.90 = 305,852.37/x
  3. Step 3: Cross multiply
    496,679.06x = 685,548.90 × 305,852.37
  4. Step 4: Simplify right side
    496,679.06x = 209,676,755,815.89
  5. Step 5: Solve for x
    x = 209,676,755,815.89/496,679.06
  6. Step 6: Final answer
    x = 422,157.43

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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.