Finding the Fourth Proportional to 889,444.11, 1,227,442.78 and 481,554.84
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Solution
The fourth proportional to 889,444.11, 1,227,442.78 and 481,554.84 is: 664,551.04
Step by Step Solution
- Step 1: Write the proportion equation
889,444.11 : 1,227,442.78 = 481,554.84 : x - Step 2: Convert to fraction form
889,444.11/1,227,442.78 = 481,554.84/x - Step 3: Cross multiply
889,444.11x = 1,227,442.78 × 481,554.84 - Step 4: Simplify right side
889,444.11x = 591,081,011,532.06 - Step 5: Solve for x
x = 591,081,011,532.06/889,444.11 - Step 6: Final answer
x = 664,551.04
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1.5x scale
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.