Finding the Fourth Proportional to 798,788.52, 1,102,322.58 and 436,212.42
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Solution
The fourth proportional to 798,788.52, 1,102,322.58 and 436,212.42 is: 601,970.09
Step by Step Solution
- Step 1: Write the proportion equation
798,788.52 : 1,102,322.58 = 436,212.42 : x - Step 2: Convert to fraction form
798,788.52/1,102,322.58 = 436,212.42/x - Step 3: Cross multiply
798,788.52x = 1,102,322.58 × 436,212.42 - Step 4: Simplify right side
798,788.52x = 480,846,800,242.44 - Step 5: Solve for x
x = 480,846,800,242.44/798,788.52 - Step 6: Final answer
x = 601,970.09
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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.