Finding the Fourth Proportional to 751,574.71, 1,127,258.38 and 415,236.79
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Solution
The fourth proportional to 751,574.71, 1,127,258.38 and 415,236.79 is: 622,797.90
Step by Step Solution
- Step 1: Write the proportion equation
751,574.71 : 1,127,258.38 = 415,236.79 : x - Step 2: Convert to fraction form
751,574.71/1,127,258.38 = 415,236.79/x - Step 3: Cross multiply
751,574.71x = 1,127,258.38 × 415,236.79 - Step 4: Simplify right side
751,574.71x = 468,079,151,211.80 - Step 5: Solve for x
x = 468,079,151,211.80/751,574.71 - Step 6: Final answer
x = 622,797.90
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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.