Finding the Fourth Proportional to 985,821.53, 1,471,600.99 and 866,247.30
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Solution
The fourth proportional to 985,821.53, 1,471,600.99 and 866,247.30 is: 1,293,104.64
Step by Step Solution
- Step 1: Write the proportion equation
985,821.53 : 1,471,600.99 = 866,247.30 : x - Step 2: Convert to fraction form
985,821.53/1,471,600.99 = 866,247.30/x - Step 3: Cross multiply
985,821.53x = 1,471,600.99 × 866,247.30 - Step 4: Simplify right side
985,821.53x = 1,274,770,385,347.64 - Step 5: Solve for x
x = 1,274,770,385,347.64/985,821.53 - Step 6: Final answer
x = 1,293,104.64
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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.