Finding the Fourth Proportional to 814,535.02, 1,221,311.49 and 365,174.62
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Solution
The fourth proportional to 814,535.02, 1,221,311.49 and 365,174.62 is: 547,541.79
Step by Step Solution
- Step 1: Write the proportion equation
814,535.02 : 1,221,311.49 = 365,174.62 : x - Step 2: Convert to fraction form
814,535.02/1,221,311.49 = 365,174.62/x - Step 3: Cross multiply
814,535.02x = 1,221,311.49 × 365,174.62 - Step 4: Simplify right side
814,535.02x = 445,991,959,262.38 - Step 5: Solve for x
x = 445,991,959,262.38/814,535.02 - Step 6: Final answer
x = 547,541.79
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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.