Finding the Fourth Proportional to 828,380.08, 1,242,573.36 and 252,008.96
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Solution
The fourth proportional to 828,380.08, 1,242,573.36 and 252,008.96 is: 378,014.43
Step by Step Solution
- Step 1: Write the proportion equation
828,380.08 : 1,242,573.36 = 252,008.96 : x - Step 2: Convert to fraction form
828,380.08/1,242,573.36 = 252,008.96/x - Step 3: Cross multiply
828,380.08x = 1,242,573.36 × 252,008.96 - Step 4: Simplify right side
828,380.08x = 313,139,620,177.31 - Step 5: Solve for x
x = 313,139,620,177.31/828,380.08 - Step 6: Final answer
x = 378,014.43
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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.