Finding the Fourth Proportional to 892,810.08, 1,232,290.26 and 511,057.08
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Solution
The fourth proportional to 892,810.08, 1,232,290.26 and 511,057.08 is: 705,380.32
Step by Step Solution
- Step 1: Write the proportion equation
892,810.08 : 1,232,290.26 = 511,057.08 : x - Step 2: Convert to fraction form
892,810.08/1,232,290.26 = 511,057.08/x - Step 3: Cross multiply
892,810.08x = 1,232,290.26 × 511,057.08 - Step 4: Simplify right side
892,810.08x = 629,770,661,988.04 - Step 5: Solve for x
x = 629,770,661,988.04/892,810.08 - Step 6: Final answer
x = 705,380.32
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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.