Finding the Fourth Proportional to 682,018.35, 941,163.75 and 376,107.63
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Solution
The fourth proportional to 682,018.35, 941,163.75 and 376,107.63 is: 519,016.63
Step by Step Solution
- Step 1: Write the proportion equation
682,018.35 : 941,163.75 = 376,107.63 : x - Step 2: Convert to fraction form
682,018.35/941,163.75 = 376,107.63/x - Step 3: Cross multiply
682,018.35x = 941,163.75 × 376,107.63 - Step 4: Simplify right side
682,018.35x = 353,978,867,454.41 - Step 5: Solve for x
x = 353,978,867,454.41/682,018.35 - Step 6: Final answer
x = 519,016.63
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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.