Finding the Fourth Proportional to 682,715.80, 1,024,063.12 and 303,536.96
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Solution
The fourth proportional to 682,715.80, 1,024,063.12 and 303,536.96 is: 455,300.74
Step by Step Solution
- Step 1: Write the proportion equation
682,715.80 : 1,024,063.12 = 303,536.96 : x - Step 2: Convert to fraction form
682,715.80/1,024,063.12 = 303,536.96/x - Step 3: Cross multiply
682,715.80x = 1,024,063.12 × 303,536.96 - Step 4: Simplify right side
682,715.80x = 310,841,006,292.92 - Step 5: Solve for x
x = 310,841,006,292.92/682,715.80 - Step 6: Final answer
x = 455,300.74
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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.