Finding the Fourth Proportional to 816,105.24, 1,126,202.81 and 453,519.81
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Solution
The fourth proportional to 816,105.24, 1,126,202.81 and 453,519.81 is: 625,844.88
Step by Step Solution
- Step 1: Write the proportion equation
816,105.24 : 1,126,202.81 = 453,519.81 : x - Step 2: Convert to fraction form
816,105.24/1,126,202.81 = 453,519.81/x - Step 3: Cross multiply
816,105.24x = 1,126,202.81 × 453,519.81 - Step 4: Simplify right side
816,105.24x = 510,755,282,145.07 - Step 5: Solve for x
x = 510,755,282,145.07/816,105.24 - Step 6: Final answer
x = 625,844.88
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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.