Finding the Fourth Proportional to 707,431.23, 976,272.66 and 385,159.01
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Solution
The fourth proportional to 707,431.23, 976,272.66 and 385,159.01 is: 531,528.99
Step by Step Solution
- Step 1: Write the proportion equation
707,431.23 : 976,272.66 = 385,159.01 : x - Step 2: Convert to fraction form
707,431.23/976,272.66 = 385,159.01/x - Step 3: Cross multiply
707,431.23x = 976,272.66 × 385,159.01 - Step 4: Simplify right side
707,431.23x = 376,020,206,334.30 - Step 5: Solve for x
x = 376,020,206,334.30/707,431.23 - Step 6: Final answer
x = 531,528.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.