Finding the Fourth Proportional to 949,716.99, 1,310,609.21 and 519,997.01
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Solution
The fourth proportional to 949,716.99, 1,310,609.21 and 519,997.01 is: 717,595.73
Step by Step Solution
- Step 1: Write the proportion equation
949,716.99 : 1,310,609.21 = 519,997.01 : x - Step 2: Convert to fraction form
949,716.99/1,310,609.21 = 519,997.01/x - Step 3: Cross multiply
949,716.99x = 1,310,609.21 × 519,997.01 - Step 4: Simplify right side
949,716.99x = 681,512,861,325.43 - Step 5: Solve for x
x = 681,512,861,325.43/949,716.99 - Step 6: Final answer
x = 717,595.73
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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.