Finding the Fourth Proportional to 798,990.75, 1,102,600.68 and 436,414.84
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Solution
The fourth proportional to 798,990.75, 1,102,600.68 and 436,414.84 is: 602,248.90
Step by Step Solution
- Step 1: Write the proportion equation
798,990.75 : 1,102,600.68 = 436,414.84 : x - Step 2: Convert to fraction form
798,990.75/1,102,600.68 = 436,414.84/x - Step 3: Cross multiply
798,990.75x = 1,102,600.68 × 436,414.84 - Step 4: Simplify right side
798,990.75x = 481,191,299,346.09 - Step 5: Solve for x
x = 481,191,299,346.09/798,990.75 - Step 6: Final answer
x = 602,248.90
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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.