Finding the Fourth Proportional to 519,279.07, 778,263.39 and 263,175.99
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Solution
The fourth proportional to 519,279.07, 778,263.39 and 263,175.99 is: 394,431.91
Step by Step Solution
- Step 1: Write the proportion equation
519,279.07 : 778,263.39 = 263,175.99 : x - Step 2: Convert to fraction form
519,279.07/778,263.39 = 263,175.99/x - Step 3: Cross multiply
519,279.07x = 778,263.39 × 263,175.99 - Step 4: Simplify right side
519,279.07x = 204,820,236,212.43 - Step 5: Solve for x
x = 204,820,236,212.43/519,279.07 - Step 6: Final answer
x = 394,431.91
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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.