Finding the Fourth Proportional to 852,105.06, 1,176,009.12 and 489,528.24
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Solution
The fourth proportional to 852,105.06, 1,176,009.12 and 489,528.24 is: 675,608.80
Step by Step Solution
- Step 1: Write the proportion equation
852,105.06 : 1,176,009.12 = 489,528.24 : x - Step 2: Convert to fraction form
852,105.06/1,176,009.12 = 489,528.24/x - Step 3: Cross multiply
852,105.06x = 1,176,009.12 × 489,528.24 - Step 4: Simplify right side
852,105.06x = 575,689,674,737.55 - Step 5: Solve for x
x = 575,689,674,737.55/852,105.06 - Step 6: Final answer
x = 675,608.80
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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.