Finding the Fourth Proportional to 945,817.92, 1,305,260.22 and 516,121.62
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Solution
The fourth proportional to 945,817.92, 1,305,260.22 and 516,121.62 is: 712,265.02
Step by Step Solution
- Step 1: Write the proportion equation
945,817.92 : 1,305,260.22 = 516,121.62 : x - Step 2: Convert to fraction form
945,817.92/1,305,260.22 = 516,121.62/x - Step 3: Cross multiply
945,817.92x = 1,305,260.22 × 516,121.62 - Step 4: Simplify right side
945,817.92x = 673,673,019,267.96 - Step 5: Solve for x
x = 673,673,019,267.96/945,817.92 - Step 6: Final answer
x = 712,265.02
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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.