Finding the Fourth Proportional to 864,352.62, 1,192,889.43 and 482,414.94
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Solution
The fourth proportional to 864,352.62, 1,192,889.43 and 482,414.94 is: 665,778.84
Step by Step Solution
- Step 1: Write the proportion equation
864,352.62 : 1,192,889.43 = 482,414.94 : x - Step 2: Convert to fraction form
864,352.62/1,192,889.43 = 482,414.94/x - Step 3: Cross multiply
864,352.62x = 1,192,889.43 × 482,414.94 - Step 4: Simplify right side
864,352.62x = 575,467,682,800.08 - Step 5: Solve for x
x = 575,467,682,800.08/864,352.62 - Step 6: Final answer
x = 665,778.84
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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.