Finding the Fourth Proportional to 634,623.75, 875,806.70 and 366,351.75
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Solution
The fourth proportional to 634,623.75, 875,806.70 and 366,351.75 is: 505,580.38
Step by Step Solution
- Step 1: Write the proportion equation
634,623.75 : 875,806.70 = 366,351.75 : x - Step 2: Convert to fraction form
634,623.75/875,806.70 = 366,351.75/x - Step 3: Cross multiply
634,623.75x = 875,806.70 × 366,351.75 - Step 4: Simplify right side
634,623.75x = 320,853,315,374.97 - Step 5: Solve for x
x = 320,853,315,374.97/634,623.75 - Step 6: Final answer
x = 505,580.38
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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.