Finding the Fourth Proportional to 625,629.33, 863,064.05 and 370,800.09
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Solution
The fourth proportional to 625,629.33, 863,064.05 and 370,800.09 is: 511,523.69
Step by Step Solution
- Step 1: Write the proportion equation
625,629.33 : 863,064.05 = 370,800.09 : x - Step 2: Convert to fraction form
625,629.33/863,064.05 = 370,800.09/x - Step 3: Cross multiply
625,629.33x = 863,064.05 × 370,800.09 - Step 4: Simplify right side
625,629.33x = 320,024,225,561.76 - Step 5: Solve for x
x = 320,024,225,561.76/625,629.33 - Step 6: Final answer
x = 511,523.69
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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.