Finding the Fourth Proportional to 824,728.68, 1,236,743.10 and 292,383.72
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Solution
The fourth proportional to 824,728.68, 1,236,743.10 and 292,383.72 is: 438,451.53
Step by Step Solution
- Step 1: Write the proportion equation
824,728.68 : 1,236,743.10 = 292,383.72 : x - Step 2: Convert to fraction form
824,728.68/1,236,743.10 = 292,383.72/x - Step 3: Cross multiply
824,728.68x = 1,236,743.10 × 292,383.72 - Step 4: Simplify right side
824,728.68x = 361,603,548,262.33 - Step 5: Solve for x
x = 361,603,548,262.33/824,728.68 - Step 6: Final answer
x = 438,451.53
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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.