Finding the Fourth Proportional to 524,578.82, 724,007.26 and 303,783.99
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Solution
The fourth proportional to 524,578.82, 724,007.26 and 303,783.99 is: 419,273.15
Step by Step Solution
- Step 1: Write the proportion equation
524,578.82 : 724,007.26 = 303,783.99 : x - Step 2: Convert to fraction form
524,578.82/724,007.26 = 303,783.99/x - Step 3: Cross multiply
524,578.82x = 724,007.26 × 303,783.99 - Step 4: Simplify right side
524,578.82x = 219,941,814,231.77 - Step 5: Solve for x
x = 219,941,814,231.77/524,578.82 - Step 6: Final answer
x = 419,273.15
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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.