Finding the Fourth Proportional to 871,750.56, 1,203,046.56 and 489,769.68
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Solution
The fourth proportional to 871,750.56, 1,203,046.56 and 489,769.68 is: 675,899.46
Step by Step Solution
- Step 1: Write the proportion equation
871,750.56 : 1,203,046.56 = 489,769.68 : x - Step 2: Convert to fraction form
871,750.56/1,203,046.56 = 489,769.68/x - Step 3: Cross multiply
871,750.56x = 1,203,046.56 × 489,769.68 - Step 4: Simplify right side
871,750.56x = 589,215,728,716.30 - Step 5: Solve for x
x = 589,215,728,716.30/871,750.56 - Step 6: Final answer
x = 675,899.46
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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.