Finding the Fourth Proportional to 752,971.75, 1,129,906.41 and 273,236.98
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Solution
The fourth proportional to 752,971.75, 1,129,906.41 and 273,236.98 is: 410,018.32
Step by Step Solution
- Step 1: Write the proportion equation
752,971.75 : 1,129,906.41 = 273,236.98 : x - Step 2: Convert to fraction form
752,971.75/1,129,906.41 = 273,236.98/x - Step 3: Cross multiply
752,971.75x = 1,129,906.41 × 273,236.98 - Step 4: Simplify right side
752,971.75x = 308,732,208,135.33 - Step 5: Solve for x
x = 308,732,208,135.33/752,971.75 - Step 6: Final answer
x = 410,018.32
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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.