Finding the Fourth Proportional to 471,439.20, 706,381.20 and 401,455.20
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Solution
The fourth proportional to 471,439.20, 706,381.20 and 401,455.20 is: 601,520.63
Step by Step Solution
- Step 1: Write the proportion equation
471,439.20 : 706,381.20 = 401,455.20 : x - Step 2: Convert to fraction form
471,439.20/706,381.20 = 401,455.20/x - Step 3: Cross multiply
471,439.20x = 706,381.20 × 401,455.20 - Step 4: Simplify right side
471,439.20x = 283,580,405,922.24 - Step 5: Solve for x
x = 283,580,405,922.24/471,439.20 - Step 6: Final answer
x = 601,520.63
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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.