Finding the Fourth Proportional to 1,381,422.92, 2,072,466.14 and 528,480.60
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Solution
The fourth proportional to 1,381,422.92, 2,072,466.14 and 528,480.60 is: 792,847.82
Step by Step Solution
- Step 1: Write the proportion equation
1,381,422.92 : 2,072,466.14 = 528,480.60 : x - Step 2: Convert to fraction form
1,381,422.92/2,072,466.14 = 528,480.60/x - Step 3: Cross multiply
1,381,422.92x = 2,072,466.14 × 528,480.60 - Step 4: Simplify right side
1,381,422.92x = 1,095,258,149,146.88 - Step 5: Solve for x
x = 1,095,258,149,146.88/1,381,422.92 - Step 6: Final answer
x = 792,847.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.