Finding the Fourth Proportional to 511,586.40, 705,804.12 and 296,608.08
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Solution
The fourth proportional to 511,586.40, 705,804.12 and 296,608.08 is: 409,211.83
Step by Step Solution
- Step 1: Write the proportion equation
511,586.40 : 705,804.12 = 296,608.08 : x - Step 2: Convert to fraction form
511,586.40/705,804.12 = 296,608.08/x - Step 3: Cross multiply
511,586.40x = 705,804.12 × 296,608.08 - Step 4: Simplify right side
511,586.40x = 209,347,204,889.29 - Step 5: Solve for x
x = 209,347,204,889.29/511,586.40 - Step 6: Final answer
x = 409,211.83
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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.