Finding the Fourth Proportional to 901,198.09, 1,351,793.72 and 368,718.95
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Solution
The fourth proportional to 901,198.09, 1,351,793.72 and 368,718.95 is: 553,077.03
Step by Step Solution
- Step 1: Write the proportion equation
901,198.09 : 1,351,793.72 = 368,718.95 : x - Step 2: Convert to fraction form
901,198.09/1,351,793.72 = 368,718.95/x - Step 3: Cross multiply
901,198.09x = 1,351,793.72 × 368,718.95 - Step 4: Simplify right side
901,198.09x = 498,431,961,054.99 - Step 5: Solve for x
x = 498,431,961,054.99/901,198.09 - Step 6: Final answer
x = 553,077.03
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1.5x scale
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.