Finding the Fourth Proportional to 970,797.63, 1,339,706.97 and 541,105.05
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Solution
The fourth proportional to 970,797.63, 1,339,706.97 and 541,105.05 is: 746,728.45
Step by Step Solution
- Step 1: Write the proportion equation
970,797.63 : 1,339,706.97 = 541,105.05 : x - Step 2: Convert to fraction form
970,797.63/1,339,706.97 = 541,105.05/x - Step 3: Cross multiply
970,797.63x = 1,339,706.97 × 541,105.05 - Step 4: Simplify right side
970,797.63x = 724,922,206,987.20 - Step 5: Solve for x
x = 724,922,206,987.20/970,797.63 - Step 6: Final answer
x = 746,728.45
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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.