Finding the Fourth Proportional to 757,053.05, 1,044,469.40 and 485,270.81
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Solution
The fourth proportional to 757,053.05, 1,044,469.40 and 485,270.81 is: 669,504.62
Step by Step Solution
- Step 1: Write the proportion equation
757,053.05 : 1,044,469.40 = 485,270.81 : x - Step 2: Convert to fraction form
757,053.05/1,044,469.40 = 485,270.81/x - Step 3: Cross multiply
757,053.05x = 1,044,469.40 × 485,270.81 - Step 4: Simplify right side
757,053.05x = 506,850,511,758.21 - Step 5: Solve for x
x = 506,850,511,758.21/757,053.05 - Step 6: Final answer
x = 669,504.62
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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.