Finding the Fourth Proportional to 753,486.11, 1,039,549.37 and 481,713.09
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Solution
The fourth proportional to 753,486.11, 1,039,549.37 and 481,713.09 is: 664,596.91
Step by Step Solution
- Step 1: Write the proportion equation
753,486.11 : 1,039,549.37 = 481,713.09 : x - Step 2: Convert to fraction form
753,486.11/1,039,549.37 = 481,713.09/x - Step 3: Cross multiply
753,486.11x = 1,039,549.37 × 481,713.09 - Step 4: Simplify right side
753,486.11x = 500,764,539,230.25 - Step 5: Solve for x
x = 500,764,539,230.25/753,486.11 - Step 6: Final answer
x = 664,596.91
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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.