Finding the Fourth Proportional to 523,703.75, 722,742.14 and 394,414.19
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Solution
The fourth proportional to 523,703.75, 722,742.14 and 394,414.19 is: 544,314.90
Step by Step Solution
- Step 1: Write the proportion equation
523,703.75 : 722,742.14 = 394,414.19 : x - Step 2: Convert to fraction form
523,703.75/722,742.14 = 394,414.19/x - Step 3: Cross multiply
523,703.75x = 722,742.14 × 394,414.19 - Step 4: Simplify right side
523,703.75x = 285,059,750,141.19 - Step 5: Solve for x
x = 285,059,750,141.19/523,703.75 - Step 6: Final answer
x = 544,314.90
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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.