Finding the Fourth Proportional to 716,467.21, 1,074,959.17 and 361,213.70
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Solution
The fourth proportional to 716,467.21, 1,074,959.17 and 361,213.70 is: 541,950.80
Step by Step Solution
- Step 1: Write the proportion equation
716,467.21 : 1,074,959.17 = 361,213.70 : x - Step 2: Convert to fraction form
716,467.21/1,074,959.17 = 361,213.70/x - Step 3: Cross multiply
716,467.21x = 1,074,959.17 × 361,213.70 - Step 4: Simplify right side
716,467.21x = 388,289,972,866.80 - Step 5: Solve for x
x = 388,289,972,866.80/716,467.21 - Step 6: Final answer
x = 541,950.80
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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.