Finding the Fourth Proportional to 804,132.81, 1,205,931.60 and 324,236.66
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Solution
The fourth proportional to 804,132.81, 1,205,931.60 and 324,236.66 is: 486,247.09
Step by Step Solution
- Step 1: Write the proportion equation
804,132.81 : 1,205,931.60 = 324,236.66 : x - Step 2: Convert to fraction form
804,132.81/1,205,931.60 = 324,236.66/x - Step 3: Cross multiply
804,132.81x = 1,205,931.60 × 324,236.66 - Step 4: Simplify right side
804,132.81x = 391,007,237,187.29 - Step 5: Solve for x
x = 391,007,237,187.29/804,132.81 - Step 6: Final answer
x = 486,247.09
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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.