Finding the Fourth Proportional to 901,616.96, 1,242,719.68 and 719,745.92
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Solution
The fourth proportional to 901,616.96, 1,242,719.68 and 719,745.92 is: 992,042.58
Step by Step Solution
- Step 1: Write the proportion equation
901,616.96 : 1,242,719.68 = 719,745.92 : x - Step 2: Convert to fraction form
901,616.96/1,242,719.68 = 719,745.92/x - Step 3: Cross multiply
901,616.96x = 1,242,719.68 × 719,745.92 - Step 4: Simplify right side
901,616.96x = 894,442,419,383.71 - Step 5: Solve for x
x = 894,442,419,383.71/901,616.96 - Step 6: Final answer
x = 992,042.58
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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.