Finding the Fourth Proportional to 642,907.23, 964,163.97 and 444,502.59
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Solution
The fourth proportional to 642,907.23, 964,163.97 and 444,502.59 is: 666,617.77
Step by Step Solution
- Step 1: Write the proportion equation
642,907.23 : 964,163.97 = 444,502.59 : x - Step 2: Convert to fraction form
642,907.23/964,163.97 = 444,502.59/x - Step 3: Cross multiply
642,907.23x = 964,163.97 × 444,502.59 - Step 4: Simplify right side
642,907.23x = 428,573,381,849.68 - Step 5: Solve for x
x = 428,573,381,849.68/642,907.23 - Step 6: Final answer
x = 666,617.77
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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.