Finding the Fourth Proportional to 620,524.26, 856,296.36 and 379,210.68
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Solution
The fourth proportional to 620,524.26, 856,296.36 and 379,210.68 is: 523,294.17
Step by Step Solution
- Step 1: Write the proportion equation
620,524.26 : 856,296.36 = 379,210.68 : x - Step 2: Convert to fraction form
620,524.26/856,296.36 = 379,210.68/x - Step 3: Cross multiply
620,524.26x = 856,296.36 × 379,210.68 - Step 4: Simplify right side
620,524.26x = 324,716,724,957.13 - Step 5: Solve for x
x = 324,716,724,957.13/620,524.26 - Step 6: Final answer
x = 523,294.17
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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.