Finding the Fourth Proportional to 541,560.36, 747,361.17 and 311,990.97
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Solution
The fourth proportional to 541,560.36, 747,361.17 and 311,990.97 is: 430,552.07
Step by Step Solution
- Step 1: Write the proportion equation
541,560.36 : 747,361.17 = 311,990.97 : x - Step 2: Convert to fraction form
541,560.36/747,361.17 = 311,990.97/x - Step 3: Cross multiply
541,560.36x = 747,361.17 × 311,990.97 - Step 4: Simplify right side
541,560.36x = 233,169,936,368.64 - Step 5: Solve for x
x = 233,169,936,368.64/541,560.36 - Step 6: Final answer
x = 430,552.07
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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.