Finding the Fourth Proportional to 914,760.09, 1,373,396.84 and 465,782.49
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Solution
The fourth proportional to 914,760.09, 1,373,396.84 and 465,782.49 is: 699,313.63
Step by Step Solution
- Step 1: Write the proportion equation
914,760.09 : 1,373,396.84 = 465,782.49 : x - Step 2: Convert to fraction form
914,760.09/1,373,396.84 = 465,782.49/x - Step 3: Cross multiply
914,760.09x = 1,373,396.84 × 465,782.49 - Step 4: Simplify right side
914,760.09x = 639,704,199,893.33 - Step 5: Solve for x
x = 639,704,199,893.33/914,760.09 - Step 6: Final answer
x = 699,313.63
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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.