Finding the Fourth Proportional to 686,544.41, 1,028,475.93 and 326,202.44
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Solution
The fourth proportional to 686,544.41, 1,028,475.93 and 326,202.44 is: 488,666.66
Step by Step Solution
- Step 1: Write the proportion equation
686,544.41 : 1,028,475.93 = 326,202.44 : x - Step 2: Convert to fraction form
686,544.41/1,028,475.93 = 326,202.44/x - Step 3: Cross multiply
686,544.41x = 1,028,475.93 × 326,202.44 - Step 4: Simplify right side
686,544.41x = 335,491,359,713.33 - Step 5: Solve for x
x = 335,491,359,713.33/686,544.41 - Step 6: Final answer
x = 488,666.66
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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.