Finding the Fourth Proportional to 852,688.09, 1,176,678.73 and 470,706.67
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Solution
The fourth proportional to 852,688.09, 1,176,678.73 and 470,706.67 is: 649,558.18
Step by Step Solution
- Step 1: Write the proportion equation
852,688.09 : 1,176,678.73 = 470,706.67 : x - Step 2: Convert to fraction form
852,688.09/1,176,678.73 = 470,706.67/x - Step 3: Cross multiply
852,688.09x = 1,176,678.73 × 470,706.67 - Step 4: Simplify right side
852,688.09x = 553,870,526,658.13 - Step 5: Solve for x
x = 553,870,526,658.13/852,688.09 - Step 6: Final answer
x = 649,558.18
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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.