Finding the Fourth Proportional to 871,673.04, 1,202,901.60 and 489,691.68
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Solution
The fourth proportional to 871,673.04, 1,202,901.60 and 489,691.68 is: 675,770.48
Step by Step Solution
- Step 1: Write the proportion equation
871,673.04 : 1,202,901.60 = 489,691.68 : x - Step 2: Convert to fraction form
871,673.04/1,202,901.60 = 489,691.68/x - Step 3: Cross multiply
871,673.04x = 1,202,901.60 × 489,691.68 - Step 4: Simplify right side
871,673.04x = 589,050,905,378.69 - Step 5: Solve for x
x = 589,050,905,378.69/871,673.04 - Step 6: Final answer
x = 675,770.48
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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.