Finding the Fourth Proportional to 614,981.97, 848,676.39 and 343,042.80
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Solution
The fourth proportional to 614,981.97, 848,676.39 and 343,042.80 is: 473,399.77
Step by Step Solution
- Step 1: Write the proportion equation
614,981.97 : 848,676.39 = 343,042.80 : x - Step 2: Convert to fraction form
614,981.97/848,676.39 = 343,042.80/x - Step 3: Cross multiply
614,981.97x = 848,676.39 × 343,042.80 - Step 4: Simplify right side
614,981.97x = 291,132,320,650.55 - Step 5: Solve for x
x = 291,132,320,650.55/614,981.97 - Step 6: Final answer
x = 473,399.77
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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.