Finding the Fourth Proportional to 730,765.62, 1,096,149.83 and 281,697.98
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Solution
The fourth proportional to 730,765.62, 1,096,149.83 and 281,697.98 is: 422,547.51
Step by Step Solution
- Step 1: Write the proportion equation
730,765.62 : 1,096,149.83 = 281,697.98 : x - Step 2: Convert to fraction form
730,765.62/1,096,149.83 = 281,697.98/x - Step 3: Cross multiply
730,765.62x = 1,096,149.83 × 281,697.98 - Step 4: Simplify right side
730,765.62x = 308,783,192,888.34 - Step 5: Solve for x
x = 308,783,192,888.34/730,765.62 - Step 6: Final answer
x = 422,547.51
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1.5x scale
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.