Finding the Fourth Proportional to 738,042.79, 1,103,020.37 and 538,782.79
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Solution
The fourth proportional to 738,042.79, 1,103,020.37 and 538,782.79 is: 805,222.14
Step by Step Solution
- Step 1: Write the proportion equation
738,042.79 : 1,103,020.37 = 538,782.79 : x - Step 2: Convert to fraction form
738,042.79/1,103,020.37 = 538,782.79/x - Step 3: Cross multiply
738,042.79x = 1,103,020.37 × 538,782.79 - Step 4: Simplify right side
738,042.79x = 594,288,392,375.43 - Step 5: Solve for x
x = 594,288,392,375.43/738,042.79 - Step 6: Final answer
x = 805,222.14
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.