Finding the Fourth Proportional to 674,175.68, 1,010,872.26 and 319,186.70
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Solution
The fourth proportional to 674,175.68, 1,010,872.26 and 319,186.70 is: 478,594.81
Step by Step Solution
- Step 1: Write the proportion equation
674,175.68 : 1,010,872.26 = 319,186.70 : x - Step 2: Convert to fraction form
674,175.68/1,010,872.26 = 319,186.70/x - Step 3: Cross multiply
674,175.68x = 1,010,872.26 × 319,186.70 - Step 4: Simplify right side
674,175.68x = 322,656,980,790.94 - Step 5: Solve for x
x = 322,656,980,790.94/674,175.68 - Step 6: Final answer
x = 478,594.81
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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.