Finding the Fourth Proportional to 946,372.06, 1,306,067.97 and 538,491.07
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Solution
The fourth proportional to 946,372.06, 1,306,067.97 and 538,491.07 is: 743,160.08
Step by Step Solution
- Step 1: Write the proportion equation
946,372.06 : 1,306,067.97 = 538,491.07 : x - Step 2: Convert to fraction form
946,372.06/1,306,067.97 = 538,491.07/x - Step 3: Cross multiply
946,372.06x = 1,306,067.97 × 538,491.07 - Step 4: Simplify right side
946,372.06x = 703,305,938,658.03 - Step 5: Solve for x
x = 703,305,938,658.03/946,372.06 - Step 6: Final answer
x = 743,160.08
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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.