Finding the Fourth Proportional to 531,763.20, 796,569.60 and 331,468.80
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Solution
The fourth proportional to 531,763.20, 796,569.60 and 331,468.80 is: 496,532.99
Step by Step Solution
- Step 1: Write the proportion equation
531,763.20 : 796,569.60 = 331,468.80 : x - Step 2: Convert to fraction form
531,763.20/796,569.60 = 331,468.80/x - Step 3: Cross multiply
531,763.20x = 796,569.60 × 331,468.80 - Step 4: Simplify right side
531,763.20x = 264,037,969,428.48 - Step 5: Solve for x
x = 264,037,969,428.48/531,763.20 - Step 6: Final answer
x = 496,532.99
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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.