Finding the Fourth Proportional to 1,029,910.05, 1,544,964.39 and 319,747.41
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Solution
The fourth proportional to 1,029,910.05, 1,544,964.39 and 319,747.41 is: 479,651.95
Step by Step Solution
- Step 1: Write the proportion equation
1,029,910.05 : 1,544,964.39 = 319,747.41 : x - Step 2: Convert to fraction form
1,029,910.05/1,544,964.39 = 319,747.41/x - Step 3: Cross multiply
1,029,910.05x = 1,544,964.39 × 319,747.41 - Step 4: Simplify right side
1,029,910.05x = 493,998,362,244.73 - Step 5: Solve for x
x = 493,998,362,244.73/1,029,910.05 - Step 6: Final answer
x = 479,651.95
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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.