Finding the Fourth Proportional to 681,556.05, 940,508.97 and 375,631.49
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Solution
The fourth proportional to 681,556.05, 940,508.97 and 375,631.49 is: 518,350.31
Step by Step Solution
- Step 1: Write the proportion equation
681,556.05 : 940,508.97 = 375,631.49 : x - Step 2: Convert to fraction form
681,556.05/940,508.97 = 375,631.49/x - Step 3: Cross multiply
681,556.05x = 940,508.97 × 375,631.49 - Step 4: Simplify right side
681,556.05x = 353,284,786,702.12 - Step 5: Solve for x
x = 353,284,786,702.12/681,556.05 - Step 6: Final answer
x = 518,350.31
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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.