Finding the Fourth Proportional to 852,546.18, 1,176,513.84 and 470,573.08
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Solution
The fourth proportional to 852,546.18, 1,176,513.84 and 470,573.08 is: 649,390.91
Step by Step Solution
- Step 1: Write the proportion equation
852,546.18 : 1,176,513.84 = 470,573.08 : x - Step 2: Convert to fraction form
852,546.18/1,176,513.84 = 470,573.08/x - Step 3: Cross multiply
852,546.18x = 1,176,513.84 × 470,573.08 - Step 4: Simplify right side
852,546.18x = 553,635,741,351.43 - Step 5: Solve for x
x = 553,635,741,351.43/852,546.18 - Step 6: Final answer
x = 649,390.91
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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.