Finding the Fourth Proportional to 852,457.70, 1,176,389.22 and 470,481.75
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Solution
The fourth proportional to 852,457.70, 1,176,389.22 and 470,481.75 is: 649,263.49
Step by Step Solution
- Step 1: Write the proportion equation
852,457.70 : 1,176,389.22 = 470,481.75 : x - Step 2: Convert to fraction form
852,457.70/1,176,389.22 = 470,481.75/x - Step 3: Cross multiply
852,457.70x = 1,176,389.22 × 470,481.75 - Step 4: Simplify right side
852,457.70x = 553,469,660,671.04 - Step 5: Solve for x
x = 553,469,660,671.04/852,457.70 - Step 6: Final answer
x = 649,263.49
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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.