Finding the Fourth Proportional to 484,715.70, 727,073.55 and 274,763.70
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Solution
The fourth proportional to 484,715.70, 727,073.55 and 274,763.70 is: 412,145.55
Step by Step Solution
- Step 1: Write the proportion equation
484,715.70 : 727,073.55 = 274,763.70 : x - Step 2: Convert to fraction form
484,715.70/727,073.55 = 274,763.70/x - Step 3: Cross multiply
484,715.70x = 727,073.55 × 274,763.70 - Step 4: Simplify right side
484,715.70x = 199,773,418,770.14 - Step 5: Solve for x
x = 199,773,418,770.14/484,715.70 - Step 6: Final answer
x = 412,145.55
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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.