Finding the Fourth Proportional to 576,828.62, 796,039.54 and 318,722.19
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Solution
The fourth proportional to 576,828.62, 796,039.54 and 318,722.19 is: 439,845.49
Step by Step Solution
- Step 1: Write the proportion equation
576,828.62 : 796,039.54 = 318,722.19 : x - Step 2: Convert to fraction form
576,828.62/796,039.54 = 318,722.19/x - Step 3: Cross multiply
576,828.62x = 796,039.54 × 318,722.19 - Step 4: Simplify right side
576,828.62x = 253,715,465,515.39 - Step 5: Solve for x
x = 253,715,465,515.39/576,828.62 - Step 6: Final answer
x = 439,845.49
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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.