Finding the Fourth Proportional to 641,138.24, 884,684.13 and 365,531.65
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Solution
The fourth proportional to 641,138.24, 884,684.13 and 365,531.65 is: 504,384.28
Step by Step Solution
- Step 1: Write the proportion equation
641,138.24 : 884,684.13 = 365,531.65 : x - Step 2: Convert to fraction form
641,138.24/884,684.13 = 365,531.65/x - Step 3: Cross multiply
641,138.24x = 884,684.13 × 365,531.65 - Step 4: Simplify right side
641,138.24x = 323,380,048,585.89 - Step 5: Solve for x
x = 323,380,048,585.89/641,138.24 - Step 6: Final answer
x = 504,384.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.