Finding the Fourth Proportional to 1,760,163.31, 2,640,218.79 and 480,768.65
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Solution
The fourth proportional to 1,760,163.31, 2,640,218.79 and 480,768.65 is: 721,145.82
Step by Step Solution
- Step 1: Write the proportion equation
1,760,163.31 : 2,640,218.79 = 480,768.65 : x - Step 2: Convert to fraction form
1,760,163.31/2,640,218.79 = 480,768.65/x - Step 3: Cross multiply
1,760,163.31x = 2,640,218.79 × 480,768.65 - Step 4: Simplify right side
1,760,163.31x = 1,269,334,421,875.54 - Step 5: Solve for x
x = 1,269,334,421,875.54/1,760,163.31 - Step 6: Final answer
x = 721,145.82
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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.