Finding the Fourth Proportional to 994,473.94, 1,491,747.87 and 320,564.98
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Solution
The fourth proportional to 994,473.94, 1,491,747.87 and 320,564.98 is: 480,859.38
Step by Step Solution
- Step 1: Write the proportion equation
994,473.94 : 1,491,747.87 = 320,564.98 : x - Step 2: Convert to fraction form
994,473.94/1,491,747.87 = 320,564.98/x - Step 3: Cross multiply
994,473.94x = 1,491,747.87 × 320,564.98 - Step 4: Simplify right side
994,473.94x = 478,202,126,111.59 - Step 5: Solve for x
x = 478,202,126,111.59/994,473.94 - Step 6: Final answer
x = 480,859.38
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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.