Finding the Fourth Proportional to 889,772.68, 1,227,880.09 and 481,865.19
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Solution
The fourth proportional to 889,772.68, 1,227,880.09 and 481,865.19 is: 664,970.60
Step by Step Solution
- Step 1: Write the proportion equation
889,772.68 : 1,227,880.09 = 481,865.19 : x - Step 2: Convert to fraction form
889,772.68/1,227,880.09 = 481,865.19/x - Step 3: Cross multiply
889,772.68x = 1,227,880.09 × 481,865.19 - Step 4: Simplify right side
889,772.68x = 591,672,672,865.07 - Step 5: Solve for x
x = 591,672,672,865.07/889,772.68 - Step 6: Final answer
x = 664,970.60
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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.