Finding the Fourth Proportional to 738,107.75, 1,018,663.94 and 451,817.03
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Solution
The fourth proportional to 738,107.75, 1,018,663.94 and 451,817.03 is: 623,553.56
Step by Step Solution
- Step 1: Write the proportion equation
738,107.75 : 1,018,663.94 = 451,817.03 : x - Step 2: Convert to fraction form
738,107.75/1,018,663.94 = 451,817.03/x - Step 3: Cross multiply
738,107.75x = 1,018,663.94 × 451,817.03 - Step 4: Simplify right side
738,107.75x = 460,249,715,938.90 - Step 5: Solve for x
x = 460,249,715,938.90/738,107.75 - Step 6: Final answer
x = 623,553.56
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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.