Finding the Fourth Proportional to 682,936.54, 1,024,407.24 and 209,621.94
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Solution
The fourth proportional to 682,936.54, 1,024,407.24 and 209,621.94 is: 314,433.66
Step by Step Solution
- Step 1: Write the proportion equation
682,936.54 : 1,024,407.24 = 209,621.94 : x - Step 2: Convert to fraction form
682,936.54/1,024,407.24 = 209,621.94/x - Step 3: Cross multiply
682,936.54x = 1,024,407.24 × 209,621.94 - Step 4: Simplify right side
682,936.54x = 214,738,232,998.85 - Step 5: Solve for x
x = 214,738,232,998.85/682,936.54 - Step 6: Final answer
x = 314,433.66
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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.