Finding the Fourth Proportional to 828,102.36, 1,242,416.10 and 295,611.96
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Solution
The fourth proportional to 828,102.36, 1,242,416.10 and 295,611.96 is: 443,511.67
Step by Step Solution
- Step 1: Write the proportion equation
828,102.36 : 1,242,416.10 = 295,611.96 : x - Step 2: Convert to fraction form
828,102.36/1,242,416.10 = 295,611.96/x - Step 3: Cross multiply
828,102.36x = 1,242,416.10 × 295,611.96 - Step 4: Simplify right side
828,102.36x = 367,273,058,456.56 - Step 5: Solve for x
x = 367,273,058,456.56/828,102.36 - Step 6: Final answer
x = 443,511.67
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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.