Finding the Fourth Proportional to 889,540.99, 1,227,561.35 and 481,634.43
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Solution
The fourth proportional to 889,540.99, 1,227,561.35 and 481,634.43 is: 664,652.69
Step by Step Solution
- Step 1: Write the proportion equation
889,540.99 : 1,227,561.35 = 481,634.43 : x - Step 2: Convert to fraction form
889,540.99/1,227,561.35 = 481,634.43/x - Step 3: Cross multiply
889,540.99x = 1,227,561.35 × 481,634.43 - Step 4: Simplify right side
889,540.99x = 591,235,811,602.06 - Step 5: Solve for x
x = 591,235,811,602.06/889,540.99 - Step 6: Final answer
x = 664,652.69
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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.