Finding the Fourth Proportional to 517,979.24, 714,716.49 and 288,530.82
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Solution
The fourth proportional to 517,979.24, 714,716.49 and 288,530.82 is: 398,119.69
Step by Step Solution
- Step 1: Write the proportion equation
517,979.24 : 714,716.49 = 288,530.82 : x - Step 2: Convert to fraction form
517,979.24/714,716.49 = 288,530.82/x - Step 3: Cross multiply
517,979.24x = 714,716.49 × 288,530.82 - Step 4: Simplify right side
517,979.24x = 206,217,734,362.04 - Step 5: Solve for x
x = 206,217,734,362.04/517,979.24 - Step 6: Final answer
x = 398,119.69
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.