Finding the Fourth Proportional to 682,664.88, 1,024,454.43 and 283,306.03
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Solution
The fourth proportional to 682,664.88, 1,024,454.43 and 283,306.03 is: 425,148.75
Step by Step Solution
- Step 1: Write the proportion equation
682,664.88 : 1,024,454.43 = 283,306.03 : x - Step 2: Convert to fraction form
682,664.88/1,024,454.43 = 283,306.03/x - Step 3: Cross multiply
682,664.88x = 1,024,454.43 × 283,306.03 - Step 4: Simplify right side
682,664.88x = 290,234,117,479.21 - Step 5: Solve for x
x = 290,234,117,479.21/682,664.88 - Step 6: Final answer
x = 425,148.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.