Finding the Fourth Proportional to 512,711.88, 769,067.90 and 335,368.08
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Solution
The fourth proportional to 512,711.88, 769,067.90 and 335,368.08 is: 503,052.17
Step by Step Solution
- Step 1: Write the proportion equation
512,711.88 : 769,067.90 = 335,368.08 : x - Step 2: Convert to fraction form
512,711.88/769,067.90 = 335,368.08/x - Step 3: Cross multiply
512,711.88x = 769,067.90 × 335,368.08 - Step 4: Simplify right side
512,711.88x = 257,920,825,012.63 - Step 5: Solve for x
x = 257,920,825,012.63/512,711.88 - Step 6: Final answer
x = 503,052.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.