Finding the Fourth Proportional to 693,945.24, 1,040,208.84 and 393,792
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Solution
The fourth proportional to 693,945.24, 1,040,208.84 and 393,792 is: 590,285.65
Step by Step Solution
- Step 1: Write the proportion equation
693,945.24 : 1,040,208.84 = 393,792 : x - Step 2: Convert to fraction form
693,945.24/1,040,208.84 = 393,792/x - Step 3: Cross multiply
693,945.24x = 1,040,208.84 × 393,792 - Step 4: Simplify right side
693,945.24x = 409,625,919,521.28 - Step 5: Solve for x
x = 409,625,919,521.28/693,945.24 - Step 6: Final answer
x = 590,285.65
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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.