Finding the Fourth Proportional to 827,716.38, 1,241,312.10 and 354,274.62
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Solution
The fourth proportional to 827,716.38, 1,241,312.10 and 354,274.62 is: 531,299.59
Step by Step Solution
- Step 1: Write the proportion equation
827,716.38 : 1,241,312.10 = 354,274.62 : x - Step 2: Convert to fraction form
827,716.38/1,241,312.10 = 354,274.62/x - Step 3: Cross multiply
827,716.38x = 1,241,312.10 × 354,274.62 - Step 4: Simplify right side
827,716.38x = 439,765,372,528.90 - Step 5: Solve for x
x = 439,765,372,528.90/827,716.38 - Step 6: Final answer
x = 531,299.59
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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.