Finding the Fourth Proportional to 892,091.63, 1,231,087.81 and 484,193.62
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Solution
The fourth proportional to 892,091.63, 1,231,087.81 and 484,193.62 is: 668,187.93
Step by Step Solution
- Step 1: Write the proportion equation
892,091.63 : 1,231,087.81 = 484,193.62 : x - Step 2: Convert to fraction form
892,091.63/1,231,087.81 = 484,193.62/x - Step 3: Cross multiply
892,091.63x = 1,231,087.81 × 484,193.62 - Step 4: Simplify right side
892,091.63x = 596,084,863,261.77 - Step 5: Solve for x
x = 596,084,863,261.77/892,091.63 - Step 6: Final answer
x = 668,187.93
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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.