Finding the Fourth Proportional to 804,504.19, 1,206,740.46 and 324,719.26
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Solution
The fourth proportional to 804,504.19, 1,206,740.46 and 324,719.26 is: 487,072.50
Step by Step Solution
- Step 1: Write the proportion equation
804,504.19 : 1,206,740.46 = 324,719.26 : x - Step 2: Convert to fraction form
804,504.19/1,206,740.46 = 324,719.26/x - Step 3: Cross multiply
804,504.19x = 1,206,740.46 × 324,719.26 - Step 4: Simplify right side
804,504.19x = 391,851,869,183.26 - Step 5: Solve for x
x = 391,851,869,183.26/804,504.19 - Step 6: Final answer
x = 487,072.50
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1.5x scale
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.