Finding the Fourth Proportional to 889,700.97, 1,227,787.99 and 481,803.26
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Solution
The fourth proportional to 889,700.97, 1,227,787.99 and 481,803.26 is: 664,888.84
Step by Step Solution
- Step 1: Write the proportion equation
889,700.97 : 1,227,787.99 = 481,803.26 : x - Step 2: Convert to fraction form
889,700.97/1,227,787.99 = 481,803.26/x - Step 3: Cross multiply
889,700.97x = 1,227,787.99 × 481,803.26 - Step 4: Simplify right side
889,700.97x = 591,552,248,827.40 - Step 5: Solve for x
x = 591,552,248,827.40/889,700.97 - Step 6: Final answer
x = 664,888.84
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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.