Finding the Fourth Proportional to 682,645.94, 1,023,930.63 and 209,330
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Solution
The fourth proportional to 682,645.94, 1,023,930.63 and 209,330 is: 313,983.26
Step by Step Solution
- Step 1: Write the proportion equation
682,645.94 : 1,023,930.63 = 209,330 : x - Step 2: Convert to fraction form
682,645.94/1,023,930.63 = 209,330/x - Step 3: Cross multiply
682,645.94x = 1,023,930.63 × 209,330 - Step 4: Simplify right side
682,645.94x = 214,339,398,777.90 - Step 5: Solve for x
x = 214,339,398,777.90/682,645.94 - Step 6: Final answer
x = 313,983.26
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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.