Finding the Fourth Proportional to 945,793.95, 1,305,214.61 and 516,092.19
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Solution
The fourth proportional to 945,793.95, 1,305,214.61 and 516,092.19 is: 712,217.56
Step by Step Solution
- Step 1: Write the proportion equation
945,793.95 : 1,305,214.61 = 516,092.19 : x - Step 2: Convert to fraction form
945,793.95/1,305,214.61 = 516,092.19/x - Step 3: Cross multiply
945,793.95x = 1,305,214.61 × 516,092.19 - Step 4: Simplify right side
945,793.95x = 673,611,063,914.44 - Step 5: Solve for x
x = 673,611,063,914.44/945,793.95 - Step 6: Final answer
x = 712,217.56
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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.