Finding the Fourth Proportional to 1,398,874.00, 2,098,310.60 and 387,996.07
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Solution
The fourth proportional to 1,398,874.00, 2,098,310.60 and 387,996.07 is: 581,993.99
Step by Step Solution
- Step 1: Write the proportion equation
1,398,874.00 : 2,098,310.60 = 387,996.07 : x - Step 2: Convert to fraction form
1,398,874.00/2,098,310.60 = 387,996.07/x - Step 3: Cross multiply
1,398,874.00x = 2,098,310.60 × 387,996.07 - Step 4: Simplify right side
1,398,874.00x = 814,136,263,803.97 - Step 5: Solve for x
x = 814,136,263,803.97/1,398,874.00 - Step 6: Final answer
x = 581,993.99
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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.