Finding the Fourth Proportional to 776,458.36, 1,164,687.18 and 215,492.68
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Solution
The fourth proportional to 776,458.36, 1,164,687.18 and 215,492.68 is: 323,238.92
Step by Step Solution
- Step 1: Write the proportion equation
776,458.36 : 1,164,687.18 = 215,492.68 : x - Step 2: Convert to fraction form
776,458.36/1,164,687.18 = 215,492.68/x - Step 3: Cross multiply
776,458.36x = 1,164,687.18 × 215,492.68 - Step 4: Simplify right side
776,458.36x = 250,981,561,779.84 - Step 5: Solve for x
x = 250,981,561,779.84/776,458.36 - Step 6: Final answer
x = 323,238.92
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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.