Finding the Fourth Proportional to 745,083.08, 1,117,791.29 and 271,768.44
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Solution
The fourth proportional to 745,083.08, 1,117,791.29 and 271,768.44 is: 407,713.45
Step by Step Solution
- Step 1: Write the proportion equation
745,083.08 : 1,117,791.29 = 271,768.44 : x - Step 2: Convert to fraction form
745,083.08/1,117,791.29 = 271,768.44/x - Step 3: Cross multiply
745,083.08x = 1,117,791.29 × 271,768.44 - Step 4: Simplify right side
745,083.08x = 303,780,393,770.05 - Step 5: Solve for x
x = 303,780,393,770.05/745,083.08 - Step 6: Final answer
x = 407,713.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.