Finding the Fourth Proportional to 512,661.69, 768,323.68 and 370,984.19
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Solution
The fourth proportional to 512,661.69, 768,323.68 and 370,984.19 is: 555,992.26
Step by Step Solution
- Step 1: Write the proportion equation
512,661.69 : 768,323.68 = 370,984.19 : x - Step 2: Convert to fraction form
512,661.69/768,323.68 = 370,984.19/x - Step 3: Cross multiply
512,661.69x = 768,323.68 × 370,984.19 - Step 4: Simplify right side
512,661.69x = 285,035,933,313.54 - Step 5: Solve for x
x = 285,035,933,313.54/512,661.69 - Step 6: Final answer
x = 555,992.26
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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.