Finding the Fourth Proportional to 531,812.99, 733,906.61 and 290,096.64
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Solution
The fourth proportional to 531,812.99, 733,906.61 and 290,096.64 is: 400,335.92
Step by Step Solution
- Step 1: Write the proportion equation
531,812.99 : 733,906.61 = 290,096.64 : x - Step 2: Convert to fraction form
531,812.99/733,906.61 = 290,096.64/x - Step 3: Cross multiply
531,812.99x = 733,906.61 × 290,096.64 - Step 4: Simplify right side
531,812.99x = 212,903,840,184.31 - Step 5: Solve for x
x = 212,903,840,184.31/531,812.99 - Step 6: Final answer
x = 400,335.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.