Finding the Fourth Proportional to 744,782.84, 1,116,299.46 and 344,578.24
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Solution
The fourth proportional to 744,782.84, 1,116,299.46 and 344,578.24 is: 516,462.63
Step by Step Solution
- Step 1: Write the proportion equation
744,782.84 : 1,116,299.46 = 344,578.24 : x - Step 2: Convert to fraction form
744,782.84/1,116,299.46 = 344,578.24/x - Step 3: Cross multiply
744,782.84x = 1,116,299.46 × 344,578.24 - Step 4: Simplify right side
744,782.84x = 384,652,503,239.75 - Step 5: Solve for x
x = 384,652,503,239.75/744,782.84 - Step 6: Final answer
x = 516,462.63
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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.