Finding the Fourth Proportional to 612,076.97, 917,499.57 and 252,510.08
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Solution
The fourth proportional to 612,076.97, 917,499.57 and 252,510.08 is: 378,511.03
Step by Step Solution
- Step 1: Write the proportion equation
612,076.97 : 917,499.57 = 252,510.08 : x - Step 2: Convert to fraction form
612,076.97/917,499.57 = 252,510.08/x - Step 3: Cross multiply
612,076.97x = 917,499.57 × 252,510.08 - Step 4: Simplify right side
612,076.97x = 231,677,884,286.26 - Step 5: Solve for x
x = 231,677,884,286.26/612,076.97 - Step 6: Final answer
x = 378,511.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.