Finding the Fourth Proportional to 748,361.89, 1,122,407.97 and 215,752.06
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Solution
The fourth proportional to 748,361.89, 1,122,407.97 and 215,752.06 is: 323,589.21
Step by Step Solution
- Step 1: Write the proportion equation
748,361.89 : 1,122,407.97 = 215,752.06 : x - Step 2: Convert to fraction form
748,361.89/1,122,407.97 = 215,752.06/x - Step 3: Cross multiply
748,361.89x = 1,122,407.97 × 215,752.06 - Step 4: Simplify right side
748,361.89x = 242,161,831,687.92 - Step 5: Solve for x
x = 242,161,831,687.92/748,361.89 - Step 6: Final answer
x = 323,589.21
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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.