Finding the Fourth Proportional to 988,716.23, 1,364,573.99 and 626,173.81
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Solution
The fourth proportional to 988,716.23, 1,364,573.99 and 626,173.81 is: 864,212.06
Step by Step Solution
- Step 1: Write the proportion equation
988,716.23 : 1,364,573.99 = 626,173.81 : x - Step 2: Convert to fraction form
988,716.23/1,364,573.99 = 626,173.81/x - Step 3: Cross multiply
988,716.23x = 1,364,573.99 × 626,173.81 - Step 4: Simplify right side
988,716.23x = 854,460,494,345.20 - Step 5: Solve for x
x = 854,460,494,345.20/988,716.23 - Step 6: Final answer
x = 864,212.06
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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.