Finding the Fourth Proportional to 513,824.04, 769,738.68 and 378,642.75
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Solution
The fourth proportional to 513,824.04, 769,738.68 and 378,642.75 is: 567,229.14
Step by Step Solution
- Step 1: Write the proportion equation
513,824.04 : 769,738.68 = 378,642.75 : x - Step 2: Convert to fraction form
513,824.04/769,738.68 = 378,642.75/x - Step 3: Cross multiply
513,824.04x = 769,738.68 × 378,642.75 - Step 4: Simplify right side
513,824.04x = 291,455,970,576.57 - Step 5: Solve for x
x = 291,455,970,576.57/513,824.04 - Step 6: Final answer
x = 567,229.14
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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.