Finding the Fourth Proportional to 862,212.12, 1,293,318.42 and 263,176.68
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Solution
The fourth proportional to 862,212.12, 1,293,318.42 and 263,176.68 is: 394,765.09
Step by Step Solution
- Step 1: Write the proportion equation
862,212.12 : 1,293,318.42 = 263,176.68 : x - Step 2: Convert to fraction form
862,212.12/1,293,318.42 = 263,176.68/x - Step 3: Cross multiply
862,212.12x = 1,293,318.42 × 263,176.68 - Step 4: Simplify right side
862,212.12x = 340,371,247,958.45 - Step 5: Solve for x
x = 340,371,247,958.45/862,212.12 - Step 6: Final answer
x = 394,765.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.