Finding the Fourth Proportional to 819,596.49, 1,229,283.99 and 220,593.60
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Solution
The fourth proportional to 819,596.49, 1,229,283.99 and 220,593.60 is: 330,860.59
Step by Step Solution
- Step 1: Write the proportion equation
819,596.49 : 1,229,283.99 = 220,593.60 : x - Step 2: Convert to fraction form
819,596.49/1,229,283.99 = 220,593.60/x - Step 3: Cross multiply
819,596.49x = 1,229,283.99 × 220,593.60 - Step 4: Simplify right side
819,596.49x = 271,172,180,776.46 - Step 5: Solve for x
x = 271,172,180,776.46/819,596.49 - Step 6: Final answer
x = 330,860.59
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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.