Finding the Fourth Proportional to 519,786.24, 717,310.99 and 304,929.96
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Solution
The fourth proportional to 519,786.24, 717,310.99 and 304,929.96 is: 420,806.85
Step by Step Solution
- Step 1: Write the proportion equation
519,786.24 : 717,310.99 = 304,929.96 : x - Step 2: Convert to fraction form
519,786.24/717,310.99 = 304,929.96/x - Step 3: Cross multiply
519,786.24x = 717,310.99 × 304,929.96 - Step 4: Simplify right side
519,786.24x = 218,729,611,488.26 - Step 5: Solve for x
x = 218,729,611,488.26/519,786.24 - Step 6: Final answer
x = 420,806.85
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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.