Finding the Fourth Proportional to 722,253.21, 1,082,788.68 and 272,718.99
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Solution
The fourth proportional to 722,253.21, 1,082,788.68 and 272,718.99 is: 408,855.28
Step by Step Solution
- Step 1: Write the proportion equation
722,253.21 : 1,082,788.68 = 272,718.99 : x - Step 2: Convert to fraction form
722,253.21/1,082,788.68 = 272,718.99/x - Step 3: Cross multiply
722,253.21x = 1,082,788.68 × 272,718.99 - Step 4: Simplify right side
722,253.21x = 295,297,035,193.03 - Step 5: Solve for x
x = 295,297,035,193.03/722,253.21 - Step 6: Final answer
x = 408,855.28
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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.