Finding the Fourth Proportional to 919,940.22, 1,268,979.43 and 597,864.84
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Solution
The fourth proportional to 919,940.22, 1,268,979.43 and 597,864.84 is: 824,703.79
Step by Step Solution
- Step 1: Write the proportion equation
919,940.22 : 1,268,979.43 = 597,864.84 : x - Step 2: Convert to fraction form
919,940.22/1,268,979.43 = 597,864.84/x - Step 3: Cross multiply
919,940.22x = 1,268,979.43 × 597,864.84 - Step 4: Simplify right side
919,940.22x = 758,678,183,880.24 - Step 5: Solve for x
x = 758,678,183,880.24/919,940.22 - Step 6: Final answer
x = 824,703.79
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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.