Finding the Fourth Proportional to 682,220.11, 941,447.26 and 376,289.92
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Solution
The fourth proportional to 682,220.11, 941,447.26 and 376,289.92 is: 519,270.99
Step by Step Solution
- Step 1: Write the proportion equation
682,220.11 : 941,447.26 = 376,289.92 : x - Step 2: Convert to fraction form
682,220.11/941,447.26 = 376,289.92/x - Step 3: Cross multiply
682,220.11x = 941,447.26 × 376,289.92 - Step 4: Simplify right side
682,220.11x = 354,257,114,385.70 - Step 5: Solve for x
x = 354,257,114,385.70/682,220.11 - Step 6: Final answer
x = 519,270.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.