Finding the Fourth Proportional to 852,331.69, 1,176,245.97 and 465,168.29
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Solution
The fourth proportional to 852,331.69, 1,176,245.97 and 465,168.29 is: 641,947.66
Step by Step Solution
- Step 1: Write the proportion equation
852,331.69 : 1,176,245.97 = 465,168.29 : x - Step 2: Convert to fraction form
852,331.69/1,176,245.97 = 465,168.29/x - Step 3: Cross multiply
852,331.69x = 1,176,245.97 × 465,168.29 - Step 4: Simplify right side
852,331.69x = 547,152,326,484.29 - Step 5: Solve for x
x = 547,152,326,484.29/852,331.69 - Step 6: Final answer
x = 641,947.66
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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.