Finding the Fourth Proportional to 511,222.24, 705,489.49 and 296,489.62
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Solution
The fourth proportional to 511,222.24, 705,489.49 and 296,489.62 is: 409,157.30
Step by Step Solution
- Step 1: Write the proportion equation
511,222.24 : 705,489.49 = 296,489.62 : x - Step 2: Convert to fraction form
511,222.24/705,489.49 = 296,489.62/x - Step 3: Cross multiply
511,222.24x = 705,489.49 × 296,489.62 - Step 4: Simplify right side
511,222.24x = 209,170,310,804.09 - Step 5: Solve for x
x = 209,170,310,804.09/511,222.24 - Step 6: Final answer
x = 409,157.30
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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.