Finding the Fourth Proportional to 1,082,811.70, 1,624,217.55 and 334,857.70
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Solution
The fourth proportional to 1,082,811.70, 1,624,217.55 and 334,857.70 is: 502,286.55
Step by Step Solution
- Step 1: Write the proportion equation
1,082,811.70 : 1,624,217.55 = 334,857.70 : x - Step 2: Convert to fraction form
1,082,811.70/1,624,217.55 = 334,857.70/x - Step 3: Cross multiply
1,082,811.70x = 1,624,217.55 × 334,857.70 - Step 4: Simplify right side
1,082,811.70x = 543,881,753,092.64 - Step 5: Solve for x
x = 543,881,753,092.64/1,082,811.70 - Step 6: Final answer
x = 502,286.55
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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.