Finding the Fourth Proportional to 484,467.99, 667,872.95 and 340,782.09
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Solution
The fourth proportional to 484,467.99, 667,872.95 and 340,782.09 is: 469,791.90
Step by Step Solution
- Step 1: Write the proportion equation
484,467.99 : 667,872.95 = 340,782.09 : x - Step 2: Convert to fraction form
484,467.99/667,872.95 = 340,782.09/x - Step 3: Cross multiply
484,467.99x = 667,872.95 × 340,782.09 - Step 4: Simplify right side
484,467.99x = 227,599,138,051.56 - Step 5: Solve for x
x = 227,599,138,051.56/484,467.99 - Step 6: Final answer
x = 469,791.90
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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.