Finding the Fourth Proportional to 828,152.37, 1,241,342.80 and 378,198.99
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Solution
The fourth proportional to 828,152.37, 1,241,342.80 and 378,198.99 is: 566,893.98
Step by Step Solution
- Step 1: Write the proportion equation
828,152.37 : 1,241,342.80 = 378,198.99 : x - Step 2: Convert to fraction form
828,152.37/1,241,342.80 = 378,198.99/x - Step 3: Cross multiply
828,152.37x = 1,241,342.80 × 378,198.99 - Step 4: Simplify right side
828,152.37x = 469,474,592,258.28 - Step 5: Solve for x
x = 469,474,592,258.28/828,152.37 - Step 6: Final answer
x = 566,893.98
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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.