Finding the Fourth Proportional to 922,409.20, 1,383,613.80 and 886,979.80
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Solution
The fourth proportional to 922,409.20, 1,383,613.80 and 886,979.80 is: 1,330,469.70
Step by Step Solution
- Step 1: Write the proportion equation
922,409.20 : 1,383,613.80 = 886,979.80 : x - Step 2: Convert to fraction form
922,409.20/1,383,613.80 = 886,979.80/x - Step 3: Cross multiply
922,409.20x = 1,383,613.80 × 886,979.80 - Step 4: Simplify right side
922,409.20x = 1,227,237,491,601.24 - Step 5: Solve for x
x = 1,227,237,491,601.24/922,409.20 - Step 6: Final answer
x = 1,330,469.70
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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.