Finding the Fourth Proportional to 927,446.40, 1,393,243.20 and 889,660.80
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Solution
The fourth proportional to 927,446.40, 1,393,243.20 and 889,660.80 is: 1,336,480.32
Step by Step Solution
- Step 1: Write the proportion equation
927,446.40 : 1,393,243.20 = 889,660.80 : x - Step 2: Convert to fraction form
927,446.40/1,393,243.20 = 889,660.80/x - Step 3: Cross multiply
927,446.40x = 1,393,243.20 × 889,660.80 - Step 4: Simplify right side
927,446.40x = 1,239,513,859,906.56 - Step 5: Solve for x
x = 1,239,513,859,906.56/927,446.40 - Step 6: Final answer
x = 1,336,480.32
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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.