Finding the Fourth Proportional to 757,915.79, 1,136,627.37 and 252,340.92
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Solution
The fourth proportional to 757,915.79, 1,136,627.37 and 252,340.92 is: 378,429.37
Step by Step Solution
- Step 1: Write the proportion equation
757,915.79 : 1,136,627.37 = 252,340.92 : x - Step 2: Convert to fraction form
757,915.79/1,136,627.37 = 252,340.92/x - Step 3: Cross multiply
757,915.79x = 1,136,627.37 × 252,340.92 - Step 4: Simplify right side
757,915.79x = 286,817,596,242.98 - Step 5: Solve for x
x = 286,817,596,242.98/757,915.79 - Step 6: Final answer
x = 378,429.37
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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.