Finding the Fourth Proportional to 682,551.40, 942,108.29 and 396,163.75
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Solution
The fourth proportional to 682,551.40, 942,108.29 and 396,163.75 is: 546,814.72
Step by Step Solution
- Step 1: Write the proportion equation
682,551.40 : 942,108.29 = 396,163.75 : x - Step 2: Convert to fraction form
682,551.40/942,108.29 = 396,163.75/x - Step 3: Cross multiply
682,551.40x = 942,108.29 × 396,163.75 - Step 4: Simplify right side
682,551.40x = 373,229,153,072.49 - Step 5: Solve for x
x = 373,229,153,072.49/682,551.40 - Step 6: Final answer
x = 546,814.72
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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.