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Finding the Fourth Proportional to 558,416.14, 770,613.69 and 303,766.72

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Solution

The fourth proportional to 558,416.14, 770,613.69 and 303,766.72 is: 419,197.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,416.14 : 770,613.69 = 303,766.72 : x
  2. Step 2: Convert to fraction form
    558,416.14/770,613.69 = 303,766.72/x
  3. Step 3: Cross multiply
    558,416.14x = 770,613.69 × 303,766.72
  4. Step 4: Simplify right side
    558,416.14x = 234,086,792,998.40
  5. Step 5: Solve for x
    x = 234,086,792,998.40/558,416.14
  6. Step 6: Final answer
    x = 419,197.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.