Finding the Fourth Proportional to 699,724.96, 965,580.48 and 393,814.08
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Solution
The fourth proportional to 699,724.96, 965,580.48 and 393,814.08 is: 543,440.94
Step by Step Solution
- Step 1: Write the proportion equation
699,724.96 : 965,580.48 = 393,814.08 : x - Step 2: Convert to fraction form
699,724.96/965,580.48 = 393,814.08/x - Step 3: Cross multiply
699,724.96x = 965,580.48 × 393,814.08 - Step 4: Simplify right side
699,724.96x = 380,259,188,397.16 - Step 5: Solve for x
x = 380,259,188,397.16/699,724.96 - Step 6: Final answer
x = 543,440.94
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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.