Finding the Fourth Proportional to 913,774.44, 1,261,049.94 and 511,366.44
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Solution
The fourth proportional to 913,774.44, 1,261,049.94 and 511,366.44 is: 705,708.75
Step by Step Solution
- Step 1: Write the proportion equation
913,774.44 : 1,261,049.94 = 511,366.44 : x - Step 2: Convert to fraction form
913,774.44/1,261,049.94 = 511,366.44/x - Step 3: Cross multiply
913,774.44x = 1,261,049.94 × 511,366.44 - Step 4: Simplify right side
913,774.44x = 644,858,618,480.01 - Step 5: Solve for x
x = 644,858,618,480.01/913,774.44 - Step 6: Final answer
x = 705,708.75
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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.