Finding the Fourth Proportional to 852,696.76, 1,176,725.28 and 470,726.68
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Solution
The fourth proportional to 852,696.76, 1,176,725.28 and 470,726.68 is: 649,604.89
Step by Step Solution
- Step 1: Write the proportion equation
852,696.76 : 1,176,725.28 = 470,726.68 : x - Step 2: Convert to fraction form
852,696.76/1,176,725.28 = 470,726.68/x - Step 3: Cross multiply
852,696.76x = 1,176,725.28 × 470,726.68 - Step 4: Simplify right side
852,696.76x = 553,915,983,149.88 - Step 5: Solve for x
x = 553,915,983,149.88/852,696.76 - Step 6: Final answer
x = 649,604.89
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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.