Finding the Fourth Proportional to 798,694.55, 1,102,203.81 and 436,120.93
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Solution
The fourth proportional to 798,694.55, 1,102,203.81 and 436,120.93 is: 601,849.79
Step by Step Solution
- Step 1: Write the proportion equation
798,694.55 : 1,102,203.81 = 436,120.93 : x - Step 2: Convert to fraction form
798,694.55/1,102,203.81 = 436,120.93/x - Step 3: Cross multiply
798,694.55x = 1,102,203.81 × 436,120.93 - Step 4: Simplify right side
798,694.55x = 480,694,147,911.23 - Step 5: Solve for x
x = 480,694,147,911.23/798,694.55 - Step 6: Final answer
x = 601,849.79
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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.