Finding the Fourth Proportional to 1,099,380.98, 1,649,027.93 and 459,519.45
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Solution
The fourth proportional to 1,099,380.98, 1,649,027.93 and 459,519.45 is: 689,260.98
Step by Step Solution
- Step 1: Write the proportion equation
1,099,380.98 : 1,649,027.93 = 459,519.45 : x - Step 2: Convert to fraction form
1,099,380.98/1,649,027.93 = 459,519.45/x - Step 3: Cross multiply
1,099,380.98x = 1,649,027.93 × 459,519.45 - Step 4: Simplify right side
1,099,380.98x = 757,760,407,428.24 - Step 5: Solve for x
x = 757,760,407,428.24/1,099,380.98 - Step 6: Final answer
x = 689,260.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.