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Finding the Fourth Proportional to 558,391.68, 770,586.52 and 303,743.52

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Solution

The fourth proportional to 558,391.68, 770,586.52 and 303,743.52 is: 419,169.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,391.68 : 770,586.52 = 303,743.52 : x
  2. Step 2: Convert to fraction form
    558,391.68/770,586.52 = 303,743.52/x
  3. Step 3: Cross multiply
    558,391.68x = 770,586.52 × 303,743.52
  4. Step 4: Simplify right side
    558,391.68x = 234,060,662,049.35
  5. Step 5: Solve for x
    x = 234,060,662,049.35/558,391.68
  6. Step 6: Final answer
    x = 419,169.32

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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.