Finding the Fourth Proportional to 838,380.00, 1,157,115.27 and 494,195.48
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Solution
The fourth proportional to 838,380.00, 1,157,115.27 and 494,195.48 is: 682,078.70
Step by Step Solution
- Step 1: Write the proportion equation
838,380.00 : 1,157,115.27 = 494,195.48 : x - Step 2: Convert to fraction form
838,380.00/1,157,115.27 = 494,195.48/x - Step 3: Cross multiply
838,380.00x = 1,157,115.27 × 494,195.48 - Step 4: Simplify right side
838,380.00x = 571,841,136,679.82 - Step 5: Solve for x
x = 571,841,136,679.82/838,380.00 - Step 6: Final answer
x = 682,078.70
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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.