Finding the Fourth Proportional to 622,493.17, 859,028.91 and 380,757.99
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Solution
The fourth proportional to 622,493.17, 859,028.91 and 380,757.99 is: 525,438.88
Step by Step Solution
- Step 1: Write the proportion equation
622,493.17 : 859,028.91 = 380,757.99 : x - Step 2: Convert to fraction form
622,493.17/859,028.91 = 380,757.99/x - Step 3: Cross multiply
622,493.17x = 859,028.91 × 380,757.99 - Step 4: Simplify right side
622,493.17x = 327,082,114,924.56 - Step 5: Solve for x
x = 327,082,114,924.56/622,493.17 - Step 6: Final answer
x = 525,438.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.