Finding the Fourth Proportional to 1,082,819.70, 1,624,229.55 and 334,865.70
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Solution
The fourth proportional to 1,082,819.70, 1,624,229.55 and 334,865.70 is: 502,298.55
Step by Step Solution
- Step 1: Write the proportion equation
1,082,819.70 : 1,624,229.55 = 334,865.70 : x - Step 2: Convert to fraction form
1,082,819.70/1,624,229.55 = 334,865.70/x - Step 3: Cross multiply
1,082,819.70x = 1,624,229.55 × 334,865.70 - Step 4: Simplify right side
1,082,819.70x = 543,898,765,221.44 - Step 5: Solve for x
x = 543,898,765,221.44/1,082,819.70 - Step 6: Final answer
x = 502,298.55
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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.