Finding the Fourth Proportional to 707,506.68, 976,350.06 and 385,213.08
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Solution
The fourth proportional to 707,506.68, 976,350.06 and 385,213.08 is: 531,589.06
Step by Step Solution
- Step 1: Write the proportion equation
707,506.68 : 976,350.06 = 385,213.08 : x - Step 2: Convert to fraction form
707,506.68/976,350.06 = 385,213.08/x - Step 3: Cross multiply
707,506.68x = 976,350.06 × 385,213.08 - Step 4: Simplify right side
707,506.68x = 376,102,813,770.79 - Step 5: Solve for x
x = 376,102,813,770.79/707,506.68 - Step 6: Final answer
x = 531,589.06
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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.