Finding the Fourth Proportional to 852,512.07, 1,176,382.84 and 470,514.23
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Solution
The fourth proportional to 852,512.07, 1,176,382.84 and 470,514.23 is: 649,263.38
Step by Step Solution
- Step 1: Write the proportion equation
852,512.07 : 1,176,382.84 = 470,514.23 : x - Step 2: Convert to fraction form
852,512.07/1,176,382.84 = 470,514.23/x - Step 3: Cross multiply
852,512.07x = 1,176,382.84 × 470,514.23 - Step 4: Simplify right side
852,512.07x = 553,504,866,147.81 - Step 5: Solve for x
x = 553,504,866,147.81/852,512.07 - Step 6: Final answer
x = 649,263.38
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1.5x scale
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.