Finding the Fourth Proportional to 587,769.55, 810,371.09 and 380,672.03
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Solution
The fourth proportional to 587,769.55, 810,371.09 and 380,672.03 is: 524,841.09
Step by Step Solution
- Step 1: Write the proportion equation
587,769.55 : 810,371.09 = 380,672.03 : x - Step 2: Convert to fraction form
587,769.55/810,371.09 = 380,672.03/x - Step 3: Cross multiply
587,769.55x = 810,371.09 × 380,672.03 - Step 4: Simplify right side
587,769.55x = 308,485,610,861.22 - Step 5: Solve for x
x = 308,485,610,861.22/587,769.55 - Step 6: Final answer
x = 524,841.09
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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.