Finding the Fourth Proportional to 786,277.42, 1,178,553.12 and 448,581.63
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Solution
The fourth proportional to 786,277.42, 1,178,553.12 and 448,581.63 is: 672,380.09
Step by Step Solution
- Step 1: Write the proportion equation
786,277.42 : 1,178,553.12 = 448,581.63 : x - Step 2: Convert to fraction form
786,277.42/1,178,553.12 = 448,581.63/x - Step 3: Cross multiply
786,277.42x = 1,178,553.12 × 448,581.63 - Step 4: Simplify right side
786,277.42x = 528,677,279,611.19 - Step 5: Solve for x
x = 528,677,279,611.19/786,277.42 - Step 6: Final answer
x = 672,380.09
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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.