Finding the Fourth Proportional to 707,556.12, 976,418.94 and 385,266.12
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Solution
The fourth proportional to 707,556.12, 976,418.94 and 385,266.12 is: 531,662.61
Step by Step Solution
- Step 1: Write the proportion equation
707,556.12 : 976,418.94 = 385,266.12 : x - Step 2: Convert to fraction form
707,556.12/976,418.94 = 385,266.12/x - Step 3: Cross multiply
707,556.12x = 976,418.94 × 385,266.12 - Step 4: Simplify right side
707,556.12x = 376,181,136,508.31 - Step 5: Solve for x
x = 376,181,136,508.31/707,556.12 - Step 6: Final answer
x = 531,662.61
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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.