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Finding the Fourth Proportional to 558,545.94, 770,770.37 and 303,898.14

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Solution

The fourth proportional to 558,545.94, 770,770.37 and 303,898.14 is: 419,366.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,545.94 : 770,770.37 = 303,898.14 : x
  2. Step 2: Convert to fraction form
    558,545.94/770,770.37 = 303,898.14/x
  3. Step 3: Cross multiply
    558,545.94x = 770,770.37 × 303,898.14
  4. Step 4: Simplify right side
    558,545.94x = 234,235,680,290.62
  5. Step 5: Solve for x
    x = 234,235,680,290.62/558,545.94
  6. Step 6: Final answer
    x = 419,366.90

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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.