Finding the Fourth Proportional to 988,836.50, 1,482,375.09 and 357,609.98
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Solution
The fourth proportional to 988,836.50, 1,482,375.09 and 357,609.98 is: 536,096.84
Step by Step Solution
- Step 1: Write the proportion equation
988,836.50 : 1,482,375.09 = 357,609.98 : x - Step 2: Convert to fraction form
988,836.50/1,482,375.09 = 357,609.98/x - Step 3: Cross multiply
988,836.50x = 1,482,375.09 × 357,609.98 - Step 4: Simplify right side
988,836.50x = 530,112,126,287.40 - Step 5: Solve for x
x = 530,112,126,287.40/988,836.50 - Step 6: Final answer
x = 536,096.84
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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.