Finding the Fourth Proportional to 682,861.09, 942,348.49 and 376,937.67
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Solution
The fourth proportional to 682,861.09, 942,348.49 and 376,937.67 is: 520,174.09
Step by Step Solution
- Step 1: Write the proportion equation
682,861.09 : 942,348.49 = 376,937.67 : x - Step 2: Convert to fraction form
682,861.09/942,348.49 = 376,937.67/x - Step 3: Cross multiply
682,861.09x = 942,348.49 × 376,937.67 - Step 4: Simplify right side
682,861.09x = 355,206,643,559.65 - Step 5: Solve for x
x = 355,206,643,559.65/682,861.09 - Step 6: Final answer
x = 520,174.09
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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.