Finding the Fourth Proportional to 828,158.38, 1,241,351.82 and 378,205
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Solution
The fourth proportional to 828,158.38, 1,241,351.82 and 378,205 is: 566,902.99
Step by Step Solution
- Step 1: Write the proportion equation
828,158.38 : 1,241,351.82 = 378,205 : x - Step 2: Convert to fraction form
828,158.38/1,241,351.82 = 378,205/x - Step 3: Cross multiply
828,158.38x = 1,241,351.82 × 378,205 - Step 4: Simplify right side
828,158.38x = 469,485,465,083.10 - Step 5: Solve for x
x = 469,485,465,083.10/828,158.38 - Step 6: Final answer
x = 566,902.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.