Finding the Fourth Proportional to 852,797.06, 1,176,861.70 and 470,824.58
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Solution
The fourth proportional to 852,797.06, 1,176,861.70 and 470,824.58 is: 649,738.89
Step by Step Solution
- Step 1: Write the proportion equation
852,797.06 : 1,176,861.70 = 470,824.58 : x - Step 2: Convert to fraction form
852,797.06/1,176,861.70 = 470,824.58/x - Step 3: Cross multiply
852,797.06x = 1,176,861.70 × 470,824.58 - Step 4: Simplify right side
852,797.06x = 554,095,415,620.59 - Step 5: Solve for x
x = 554,095,415,620.59/852,797.06 - Step 6: Final answer
x = 649,738.89
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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.