Finding the Fourth Proportional to 902,371.75, 1,245,273.02 and 499,963.75
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Solution
The fourth proportional to 902,371.75, 1,245,273.02 and 499,963.75 is: 689,949.98
Step by Step Solution
- Step 1: Write the proportion equation
902,371.75 : 1,245,273.02 = 499,963.75 : x - Step 2: Convert to fraction form
902,371.75/1,245,273.02 = 499,963.75/x - Step 3: Cross multiply
902,371.75x = 1,245,273.02 × 499,963.75 - Step 4: Simplify right side
902,371.75x = 622,591,368,853.03 - Step 5: Solve for x
x = 622,591,368,853.03/902,371.75 - Step 6: Final answer
x = 689,949.98
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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.