Finding the Fourth Proportional to 852,516.07, 1,176,388.36 and 470,518.23
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Solution
The fourth proportional to 852,516.07, 1,176,388.36 and 470,518.23 is: 649,268.90
Step by Step Solution
- Step 1: Write the proportion equation
852,516.07 : 1,176,388.36 = 470,518.23 : x - Step 2: Convert to fraction form
852,516.07/1,176,388.36 = 470,518.23/x - Step 3: Cross multiply
852,516.07x = 1,176,388.36 × 470,518.23 - Step 4: Simplify right side
852,516.07x = 553,512,168,939.80 - Step 5: Solve for x
x = 553,512,168,939.80/852,516.07 - Step 6: Final answer
x = 649,268.90
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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.