Finding the Fourth Proportional to 548,914.44, 823,863.71 and 459,516.72
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Solution
The fourth proportional to 548,914.44, 823,863.71 and 459,516.72 is: 689,686.99
Step by Step Solution
- Step 1: Write the proportion equation
548,914.44 : 823,863.71 = 459,516.72 : x - Step 2: Convert to fraction form
548,914.44/823,863.71 = 459,516.72/x - Step 3: Cross multiply
548,914.44x = 823,863.71 × 459,516.72 - Step 4: Simplify right side
548,914.44x = 378,579,149,746.23 - Step 5: Solve for x
x = 378,579,149,746.23/548,914.44 - Step 6: Final answer
x = 689,686.99
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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.