Finding the Fourth Proportional to 418,758.26, 576,427.79 and 364,949.96
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Solution
The fourth proportional to 418,758.26, 576,427.79 and 364,949.96 is: 502,359.76
Step by Step Solution
- Step 1: Write the proportion equation
418,758.26 : 576,427.79 = 364,949.96 : x - Step 2: Convert to fraction form
418,758.26/576,427.79 = 364,949.96/x - Step 3: Cross multiply
418,758.26x = 576,427.79 × 364,949.96 - Step 4: Simplify right side
418,758.26x = 210,367,296,933.62 - Step 5: Solve for x
x = 210,367,296,933.62/418,758.26 - Step 6: Final answer
x = 502,359.76
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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.