Finding the Fourth Proportional to 1,096,349.36, 1,644,701.28 and 338,013.32
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Solution
The fourth proportional to 1,096,349.36, 1,644,701.28 and 338,013.32 is: 507,074.62
Step by Step Solution
- Step 1: Write the proportion equation
1,096,349.36 : 1,644,701.28 = 338,013.32 : x - Step 2: Convert to fraction form
1,096,349.36/1,644,701.28 = 338,013.32/x - Step 3: Cross multiply
1,096,349.36x = 1,644,701.28 × 338,013.32 - Step 4: Simplify right side
1,096,349.36x = 555,930,940,061.05 - Step 5: Solve for x
x = 555,930,940,061.05/1,096,349.36 - Step 6: Final answer
x = 507,074.62
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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.