Finding the Fourth Proportional to 511,799.83, 706,279.82 and 282,366.79
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Solution
The fourth proportional to 511,799.83, 706,279.82 and 282,366.79 is: 389,663.99
Step by Step Solution
- Step 1: Write the proportion equation
511,799.83 : 706,279.82 = 282,366.79 : x - Step 2: Convert to fraction form
511,799.83/706,279.82 = 282,366.79/x - Step 3: Cross multiply
511,799.83x = 706,279.82 × 282,366.79 - Step 4: Simplify right side
511,799.83x = 199,429,965,615.18 - Step 5: Solve for x
x = 199,429,965,615.18/511,799.83 - Step 6: Final answer
x = 389,663.99
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1.5x scale
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.