Finding the Fourth Proportional to 889,845.63, 1,227,980.84 and 481,938.14
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Solution
The fourth proportional to 889,845.63, 1,227,980.84 and 481,938.14 is: 665,071.30
Step by Step Solution
- Step 1: Write the proportion equation
889,845.63 : 1,227,980.84 = 481,938.14 : x - Step 2: Convert to fraction form
889,845.63/1,227,980.84 = 481,938.14/x - Step 3: Cross multiply
889,845.63x = 1,227,980.84 × 481,938.14 - Step 4: Simplify right side
889,845.63x = 591,810,793,435.64 - Step 5: Solve for x
x = 591,810,793,435.64/889,845.63 - Step 6: Final answer
x = 665,071.30
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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.