Finding the Fourth Proportional to 682,715.70, 1,024,193.70 and 233,330.94
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Solution
The fourth proportional to 682,715.70, 1,024,193.70 and 233,330.94 is: 350,037.47
Step by Step Solution
- Step 1: Write the proportion equation
682,715.70 : 1,024,193.70 = 233,330.94 : x - Step 2: Convert to fraction form
682,715.70/1,024,193.70 = 233,330.94/x - Step 3: Cross multiply
682,715.70x = 1,024,193.70 × 233,330.94 - Step 4: Simplify right side
682,715.70x = 238,976,078,763.08 - Step 5: Solve for x
x = 238,976,078,763.08/682,715.70 - Step 6: Final answer
x = 350,037.47
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1.5x scale
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.