Finding the Fourth Proportional to 707,505.68, 976,348.68 and 385,212.08
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Solution
The fourth proportional to 707,505.68, 976,348.68 and 385,212.08 is: 531,587.68
Step by Step Solution
- Step 1: Write the proportion equation
707,505.68 : 976,348.68 = 385,212.08 : x - Step 2: Convert to fraction form
707,505.68/976,348.68 = 385,212.08/x - Step 3: Cross multiply
707,505.68x = 976,348.68 × 385,212.08 - Step 4: Simplify right side
707,505.68x = 376,101,305,828.05 - Step 5: Solve for x
x = 376,101,305,828.05/707,505.68 - Step 6: Final answer
x = 531,587.68
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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.