Home / 496,769.96-685,559.07-279,016.94

Finding the Fourth Proportional to 496,769.96, 685,559.07 and 279,016.94

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Solution

The fourth proportional to 496,769.96, 685,559.07 and 279,016.94 is: 385,052.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,769.96 : 685,559.07 = 279,016.94 : x
  2. Step 2: Convert to fraction form
    496,769.96/685,559.07 = 279,016.94/x
  3. Step 3: Cross multiply
    496,769.96x = 685,559.07 × 279,016.94
  4. Step 4: Simplify right side
    496,769.96x = 191,282,590,472.85
  5. Step 5: Solve for x
    x = 191,282,590,472.85/496,769.96
  6. Step 6: Final answer
    x = 385,052.66

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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.