Finding the Fourth Proportional to 510,343.62, 764,640.63 and 360,315.42
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Solution
The fourth proportional to 510,343.62, 764,640.63 and 360,315.42 is: 539,855.50
Step by Step Solution
- Step 1: Write the proportion equation
510,343.62 : 764,640.63 = 360,315.42 : x - Step 2: Convert to fraction form
510,343.62/764,640.63 = 360,315.42/x - Step 3: Cross multiply
510,343.62x = 764,640.63 × 360,315.42 - Step 4: Simplify right side
510,343.62x = 275,511,809,747.52 - Step 5: Solve for x
x = 275,511,809,747.52/510,343.62 - Step 6: Final answer
x = 539,855.50
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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.