Finding the Fourth Proportional to 696,764.36, 961,534.12 and 394,958.36
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Solution
The fourth proportional to 696,764.36, 961,534.12 and 394,958.36 is: 545,042.14
Step by Step Solution
- Step 1: Write the proportion equation
696,764.36 : 961,534.12 = 394,958.36 : x - Step 2: Convert to fraction form
696,764.36/961,534.12 = 394,958.36/x - Step 3: Cross multiply
696,764.36x = 961,534.12 × 394,958.36 - Step 4: Simplify right side
696,764.36x = 379,765,939,119.24 - Step 5: Solve for x
x = 379,765,939,119.24/696,764.36 - Step 6: Final answer
x = 545,042.14
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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.