Finding the Fourth Proportional to 867,342.72, 1,301,173.92 and 394,063.68
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Solution
The fourth proportional to 867,342.72, 1,301,173.92 and 394,063.68 is: 591,168.14
Step by Step Solution
- Step 1: Write the proportion equation
867,342.72 : 1,301,173.92 = 394,063.68 : x - Step 2: Convert to fraction form
867,342.72/1,301,173.92 = 394,063.68/x - Step 3: Cross multiply
867,342.72x = 1,301,173.92 × 394,063.68 - Step 4: Simplify right side
867,342.72x = 512,745,383,235.23 - Step 5: Solve for x
x = 512,745,383,235.23/867,342.72 - Step 6: Final answer
x = 591,168.14
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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.