Finding the Fourth Proportional to 852,305.73, 1,176,163.77 and 465,108.31
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Solution
The fourth proportional to 852,305.73, 1,176,163.77 and 465,108.31 is: 641,839.57
Step by Step Solution
- Step 1: Write the proportion equation
852,305.73 : 1,176,163.77 = 465,108.31 : x - Step 2: Convert to fraction form
852,305.73/1,176,163.77 = 465,108.31/x - Step 3: Cross multiply
852,305.73x = 1,176,163.77 × 465,108.31 - Step 4: Simplify right side
852,305.73x = 547,043,543,347.93 - Step 5: Solve for x
x = 547,043,543,347.93/852,305.73 - Step 6: Final answer
x = 641,839.57
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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.