Finding the Fourth Proportional to 619,260.70, 928,891.05 and 264,310.60
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Solution
The fourth proportional to 619,260.70, 928,891.05 and 264,310.60 is: 396,465.90
Step by Step Solution
- Step 1: Write the proportion equation
619,260.70 : 928,891.05 = 264,310.60 : x - Step 2: Convert to fraction form
619,260.70/928,891.05 = 264,310.60/x - Step 3: Cross multiply
619,260.70x = 928,891.05 × 264,310.60 - Step 4: Simplify right side
619,260.70x = 245,515,750,760.13 - Step 5: Solve for x
x = 245,515,750,760.13/619,260.70 - Step 6: Final answer
x = 396,465.90
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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.