Finding the Fourth Proportional to 913,704.84, 1,370,868.60 and 274,024.08
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Solution
The fourth proportional to 913,704.84, 1,370,868.60 and 274,024.08 is: 411,129.49
Step by Step Solution
- Step 1: Write the proportion equation
913,704.84 : 1,370,868.60 = 274,024.08 : x - Step 2: Convert to fraction form
913,704.84/1,370,868.60 = 274,024.08/x - Step 3: Cross multiply
913,704.84x = 1,370,868.60 × 274,024.08 - Step 4: Simplify right side
913,704.84x = 375,651,006,915.89 - Step 5: Solve for x
x = 375,651,006,915.89/913,704.84 - Step 6: Final answer
x = 411,129.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.