Finding the Fourth Proportional to 868,649.98, 1,198,808.78 and 481,586.84
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Solution
The fourth proportional to 868,649.98, 1,198,808.78 and 481,586.84 is: 664,629.65
Step by Step Solution
- Step 1: Write the proportion equation
868,649.98 : 1,198,808.78 = 481,586.84 : x - Step 2: Convert to fraction form
868,649.98/1,198,808.78 = 481,586.84/x - Step 3: Cross multiply
868,649.98x = 1,198,808.78 × 481,586.84 - Step 4: Simplify right side
868,649.98x = 577,330,532,124.46 - Step 5: Solve for x
x = 577,330,532,124.46/868,649.98 - Step 6: Final answer
x = 664,629.65
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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.