Finding the Fourth Proportional to 486,153.80, 729,230.70 and 462,825.80
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Solution
The fourth proportional to 486,153.80, 729,230.70 and 462,825.80 is: 694,238.70
Step by Step Solution
- Step 1: Write the proportion equation
486,153.80 : 729,230.70 = 462,825.80 : x - Step 2: Convert to fraction form
486,153.80/729,230.70 = 462,825.80/x - Step 3: Cross multiply
486,153.80x = 729,230.70 × 462,825.80 - Step 4: Simplify right side
486,153.80x = 337,506,782,112.06 - Step 5: Solve for x
x = 337,506,782,112.06/486,153.80 - Step 6: Final answer
x = 694,238.70
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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.