Home / 558,523.80-770,766.22-303,876.84

Finding the Fourth Proportional to 558,523.80, 770,766.22 and 303,876.84

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Solution

The fourth proportional to 558,523.80, 770,766.22 and 303,876.84 is: 419,351.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,523.80 : 770,766.22 = 303,876.84 : x
  2. Step 2: Convert to fraction form
    558,523.80/770,766.22 = 303,876.84/x
  3. Step 3: Cross multiply
    558,523.80x = 770,766.22 × 303,876.84
  4. Step 4: Simplify right side
    558,523.80x = 234,218,003,312.35
  5. Step 5: Solve for x
    x = 234,218,003,312.35/558,523.80
  6. Step 6: Final answer
    x = 419,351.88

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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.