Finding the Fourth Proportional to 701,419.20, 1,052,560.80 and 302,251.20
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Solution
The fourth proportional to 701,419.20, 1,052,560.80 and 302,251.20 is: 453,562.95
Step by Step Solution
- Step 1: Write the proportion equation
701,419.20 : 1,052,560.80 = 302,251.20 : x - Step 2: Convert to fraction form
701,419.20/1,052,560.80 = 302,251.20/x - Step 3: Cross multiply
701,419.20x = 1,052,560.80 × 302,251.20 - Step 4: Simplify right side
701,419.20x = 318,137,764,872.96 - Step 5: Solve for x
x = 318,137,764,872.96/701,419.20 - Step 6: Final answer
x = 453,562.95
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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.