Finding the Fourth Proportional to 619,091.97, 854,390.75 and 343,539.96
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Solution
The fourth proportional to 619,091.97, 854,390.75 and 343,539.96 is: 474,109.46
Step by Step Solution
- Step 1: Write the proportion equation
619,091.97 : 854,390.75 = 343,539.96 : x - Step 2: Convert to fraction form
619,091.97/854,390.75 = 343,539.96/x - Step 3: Cross multiply
619,091.97x = 854,390.75 × 343,539.96 - Step 4: Simplify right side
619,091.97x = 293,517,362,361.67 - Step 5: Solve for x
x = 293,517,362,361.67/619,091.97 - Step 6: Final answer
x = 474,109.46
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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.