Finding the Fourth Proportional to 403,895.70, 605,843.55 and 364,529.70
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Solution
The fourth proportional to 403,895.70, 605,843.55 and 364,529.70 is: 546,794.55
Step by Step Solution
- Step 1: Write the proportion equation
403,895.70 : 605,843.55 = 364,529.70 : x - Step 2: Convert to fraction form
403,895.70/605,843.55 = 364,529.70/x - Step 3: Cross multiply
403,895.70x = 605,843.55 × 364,529.70 - Step 4: Simplify right side
403,895.70x = 220,847,967,528.44 - Step 5: Solve for x
x = 220,847,967,528.44/403,895.70 - Step 6: Final answer
x = 546,794.55
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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.