Finding the Fourth Proportional to 488,879.70, 733,319.55 and 410,147.70
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Solution
The fourth proportional to 488,879.70, 733,319.55 and 410,147.70 is: 615,221.55
Step by Step Solution
- Step 1: Write the proportion equation
488,879.70 : 733,319.55 = 410,147.70 : x - Step 2: Convert to fraction form
488,879.70/733,319.55 = 410,147.70/x - Step 3: Cross multiply
488,879.70x = 733,319.55 × 410,147.70 - Step 4: Simplify right side
488,879.70x = 300,769,326,797.54 - Step 5: Solve for x
x = 300,769,326,797.54/488,879.70 - Step 6: Final answer
x = 615,221.55
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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.