Finding the Fourth Proportional to 762,392, 1,052,105.88 and 422,861.12
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Solution
The fourth proportional to 762,392, 1,052,105.88 and 422,861.12 is: 583,551.07
Step by Step Solution
- Step 1: Write the proportion equation
762,392 : 1,052,105.88 = 422,861.12 : x - Step 2: Convert to fraction form
762,392/1,052,105.88 = 422,861.12/x - Step 3: Cross multiply
762,392x = 1,052,105.88 × 422,861.12 - Step 4: Simplify right side
762,392x = 444,894,670,775.39 - Step 5: Solve for x
x = 444,894,670,775.39/762,392 - Step 6: Final answer
x = 583,551.07
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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.