Finding the Fourth Proportional to 807,424.20, 1,211,323.91 and 274,949.84
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Solution
The fourth proportional to 807,424.20, 1,211,323.91 and 274,949.84 is: 412,488.65
Step by Step Solution
- Step 1: Write the proportion equation
807,424.20 : 1,211,323.91 = 274,949.84 : x - Step 2: Convert to fraction form
807,424.20/1,211,323.91 = 274,949.84/x - Step 3: Cross multiply
807,424.20x = 1,211,323.91 × 274,949.84 - Step 4: Simplify right side
807,424.20x = 333,053,316,896.24 - Step 5: Solve for x
x = 333,053,316,896.24/807,424.20 - Step 6: Final answer
x = 412,488.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.