Finding the Fourth Proportional to 522,808.70, 784,220.79 and 202,979.09
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Solution
The fourth proportional to 522,808.70, 784,220.79 and 202,979.09 is: 304,471.64
Step by Step Solution
- Step 1: Write the proportion equation
522,808.70 : 784,220.79 = 202,979.09 : x - Step 2: Convert to fraction form
522,808.70/784,220.79 = 202,979.09/x - Step 3: Cross multiply
522,808.70x = 784,220.79 × 202,979.09 - Step 4: Simplify right side
522,808.70x = 159,180,418,392.18 - Step 5: Solve for x
x = 159,180,418,392.18/522,808.70 - Step 6: Final answer
x = 304,471.64
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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.