Finding the Fourth Proportional to 757,170.08, 1,044,857.04 and 417,629.60
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Solution
The fourth proportional to 757,170.08, 1,044,857.04 and 417,629.60 is: 576,308.07
Step by Step Solution
- Step 1: Write the proportion equation
757,170.08 : 1,044,857.04 = 417,629.60 : x - Step 2: Convert to fraction form
757,170.08/1,044,857.04 = 417,629.60/x - Step 3: Cross multiply
757,170.08x = 1,044,857.04 × 417,629.60 - Step 4: Simplify right side
757,170.08x = 436,363,227,672.38 - Step 5: Solve for x
x = 436,363,227,672.38/757,170.08 - Step 6: Final answer
x = 576,308.07
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1.5x scale
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.