Finding the Fourth Proportional to 557,716.08, 769,646.70 and 303,067.32
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Solution
The fourth proportional to 557,716.08, 769,646.70 and 303,067.32 is: 418,232.09
Step by Step Solution
- Step 1: Write the proportion equation
557,716.08 : 769,646.70 = 303,067.32 : x - Step 2: Convert to fraction form
557,716.08/769,646.70 = 303,067.32/x - Step 3: Cross multiply
557,716.08x = 769,646.70 × 303,067.32 - Step 4: Simplify right side
557,716.08x = 233,254,762,715.84 - Step 5: Solve for x
x = 233,254,762,715.84/557,716.08 - Step 6: Final answer
x = 418,232.09
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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.