Finding the Fourth Proportional to 579,608.99, 799,584.97 and 386,106.65
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Solution
The fourth proportional to 579,608.99, 799,584.97 and 386,106.65 is: 532,643.69
Step by Step Solution
- Step 1: Write the proportion equation
579,608.99 : 799,584.97 = 386,106.65 : x - Step 2: Convert to fraction form
579,608.99/799,584.97 = 386,106.65/x - Step 3: Cross multiply
579,608.99x = 799,584.97 × 386,106.65 - Step 4: Simplify right side
579,608.99x = 308,725,072,916.25 - Step 5: Solve for x
x = 308,725,072,916.25/579,608.99 - Step 6: Final answer
x = 532,643.69
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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.