Finding the Fourth Proportional to 828,129.26, 1,242,456.36 and 295,638.50
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Solution
The fourth proportional to 828,129.26, 1,242,456.36 and 295,638.50 is: 443,551.45
Step by Step Solution
- Step 1: Write the proportion equation
828,129.26 : 1,242,456.36 = 295,638.50 : x - Step 2: Convert to fraction form
828,129.26/1,242,456.36 = 295,638.50/x - Step 3: Cross multiply
828,129.26x = 1,242,456.36 × 295,638.50 - Step 4: Simplify right side
828,129.26x = 367,317,934,585.86 - Step 5: Solve for x
x = 367,317,934,585.86/828,129.26 - Step 6: Final answer
x = 443,551.45
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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.