Finding the Fourth Proportional to 889,655.36, 1,227,722.16 and 481,757.18
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Solution
The fourth proportional to 889,655.36, 1,227,722.16 and 481,757.18 is: 664,823.70
Step by Step Solution
- Step 1: Write the proportion equation
889,655.36 : 1,227,722.16 = 481,757.18 : x - Step 2: Convert to fraction form
889,655.36/1,227,722.16 = 481,757.18/x - Step 3: Cross multiply
889,655.36x = 1,227,722.16 × 481,757.18 - Step 4: Simplify right side
889,655.36x = 591,463,965,625.11 - Step 5: Solve for x
x = 591,463,965,625.11/889,655.36 - Step 6: Final answer
x = 664,823.70
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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.