Finding the Fourth Proportional to 893,571.29, 1,233,136.62 and 485,674.06
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Solution
The fourth proportional to 893,571.29, 1,233,136.62 and 485,674.06 is: 670,234.68
Step by Step Solution
- Step 1: Write the proportion equation
893,571.29 : 1,233,136.62 = 485,674.06 : x - Step 2: Convert to fraction form
893,571.29/1,233,136.62 = 485,674.06/x - Step 3: Cross multiply
893,571.29x = 1,233,136.62 × 485,674.06 - Step 4: Simplify right side
893,571.29x = 598,902,465,687.24 - Step 5: Solve for x
x = 598,902,465,687.24/893,571.29 - Step 6: Final answer
x = 670,234.68
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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.