Finding the Fourth Proportional to 923,409.60, 1,384,939.44 and 324,229.92
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Solution
The fourth proportional to 923,409.60, 1,384,939.44 and 324,229.92 is: 486,283.45
Step by Step Solution
- Step 1: Write the proportion equation
923,409.60 : 1,384,939.44 = 324,229.92 : x - Step 2: Convert to fraction form
923,409.60/1,384,939.44 = 324,229.92/x - Step 3: Cross multiply
923,409.60x = 1,384,939.44 × 324,229.92 - Step 4: Simplify right side
923,409.60x = 449,038,803,836.05 - Step 5: Solve for x
x = 449,038,803,836.05/923,409.60 - Step 6: Final answer
x = 486,283.45
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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.