Finding the Fourth Proportional to 738,072.84, 1,018,544.10 and 415,788
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Solution
The fourth proportional to 738,072.84, 1,018,544.10 and 415,788 is: 573,789.46
Step by Step Solution
- Step 1: Write the proportion equation
738,072.84 : 1,018,544.10 = 415,788 : x - Step 2: Convert to fraction form
738,072.84/1,018,544.10 = 415,788/x - Step 3: Cross multiply
738,072.84x = 1,018,544.10 × 415,788 - Step 4: Simplify right side
738,072.84x = 423,498,414,250.80 - Step 5: Solve for x
x = 423,498,414,250.80/738,072.84 - Step 6: Final answer
x = 573,789.46
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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.