Finding the Fourth Proportional to 476,589.09, 657,528.49 and 304,607.73
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Solution
The fourth proportional to 476,589.09, 657,528.49 and 304,607.73 is: 420,253.56
Step by Step Solution
- Step 1: Write the proportion equation
476,589.09 : 657,528.49 = 304,607.73 : x - Step 2: Convert to fraction form
476,589.09/657,528.49 = 304,607.73/x - Step 3: Cross multiply
476,589.09x = 657,528.49 × 304,607.73 - Step 4: Simplify right side
476,589.09x = 200,288,260,749.23 - Step 5: Solve for x
x = 200,288,260,749.23/476,589.09 - Step 6: Final answer
x = 420,253.56
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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.