Finding the Fourth Proportional to 722,523.41, 1,079,390.63 and 467,728.19
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Solution
The fourth proportional to 722,523.41, 1,079,390.63 and 467,728.19 is: 698,747.50
Step by Step Solution
- Step 1: Write the proportion equation
722,523.41 : 1,079,390.63 = 467,728.19 : x - Step 2: Convert to fraction form
722,523.41/1,079,390.63 = 467,728.19/x - Step 3: Cross multiply
722,523.41x = 1,079,390.63 × 467,728.19 - Step 4: Simplify right side
722,523.41x = 504,861,422,861.97 - Step 5: Solve for x
x = 504,861,422,861.97/722,523.41 - Step 6: Final answer
x = 698,747.50
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.