Finding the Fourth Proportional to 871,751.56, 1,203,047.94 and 489,770.68
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Solution
The fourth proportional to 871,751.56, 1,203,047.94 and 489,770.68 is: 675,900.84
Step by Step Solution
- Step 1: Write the proportion equation
871,751.56 : 1,203,047.94 = 489,770.68 : x - Step 2: Convert to fraction form
871,751.56/1,203,047.94 = 489,770.68/x - Step 3: Cross multiply
871,751.56x = 1,203,047.94 × 489,770.68 - Step 4: Simplify right side
871,751.56x = 589,217,607,646.40 - Step 5: Solve for x
x = 589,217,607,646.40/871,751.56 - Step 6: Final answer
x = 675,900.84
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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.