Finding the Fourth Proportional to 736,815.09, 1,105,222.64 and 263,471.75
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Solution
The fourth proportional to 736,815.09, 1,105,222.64 and 263,471.75 is: 395,207.62
Step by Step Solution
- Step 1: Write the proportion equation
736,815.09 : 1,105,222.64 = 263,471.75 : x - Step 2: Convert to fraction form
736,815.09/1,105,222.64 = 263,471.75/x - Step 3: Cross multiply
736,815.09x = 1,105,222.64 × 263,471.75 - Step 4: Simplify right side
736,815.09x = 291,194,936,256.95 - Step 5: Solve for x
x = 291,194,936,256.95/736,815.09 - Step 6: Final answer
x = 395,207.62
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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.