Finding the Fourth Proportional to 655,453.56, 904,542.84 and 368,983.92
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Solution
The fourth proportional to 655,453.56, 904,542.84 and 368,983.92 is: 509,207.34
Step by Step Solution
- Step 1: Write the proportion equation
655,453.56 : 904,542.84 = 368,983.92 : x - Step 2: Convert to fraction form
655,453.56/904,542.84 = 368,983.92/x - Step 3: Cross multiply
655,453.56x = 904,542.84 × 368,983.92 - Step 4: Simplify right side
655,453.56x = 333,761,762,911.13 - Step 5: Solve for x
x = 333,761,762,911.13/655,453.56 - Step 6: Final answer
x = 509,207.34
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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.