Finding the Fourth Proportional to 859,514.68, 1,289,272.02 and 326,912.68
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Solution
The fourth proportional to 859,514.68, 1,289,272.02 and 326,912.68 is: 490,369.02
Step by Step Solution
- Step 1: Write the proportion equation
859,514.68 : 1,289,272.02 = 326,912.68 : x - Step 2: Convert to fraction form
859,514.68/1,289,272.02 = 326,912.68/x - Step 3: Cross multiply
859,514.68x = 1,289,272.02 × 326,912.68 - Step 4: Simplify right side
859,514.68x = 421,479,371,307.21 - Step 5: Solve for x
x = 421,479,371,307.21/859,514.68 - Step 6: Final answer
x = 490,369.02
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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.