Finding the Fourth Proportional to 849,687.68, 1,274,531.57 and 288,722.18
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Solution
The fourth proportional to 849,687.68, 1,274,531.57 and 288,722.18 is: 433,083.28
Step by Step Solution
- Step 1: Write the proportion equation
849,687.68 : 1,274,531.57 = 288,722.18 : x - Step 2: Convert to fraction form
849,687.68/1,274,531.57 = 288,722.18/x - Step 3: Cross multiply
849,687.68x = 1,274,531.57 × 288,722.18 - Step 4: Simplify right side
849,687.68x = 367,985,525,552.95 - Step 5: Solve for x
x = 367,985,525,552.95/849,687.68 - Step 6: Final answer
x = 433,083.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.