Finding the Fourth Proportional to 884,161.98, 1,220,143.50 and 481,753.98
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Solution
The fourth proportional to 884,161.98, 1,220,143.50 and 481,753.98 is: 664,820.47
Step by Step Solution
- Step 1: Write the proportion equation
884,161.98 : 1,220,143.50 = 481,753.98 : x - Step 2: Convert to fraction form
884,161.98/1,220,143.50 = 481,753.98/x - Step 3: Cross multiply
884,161.98x = 1,220,143.50 × 481,753.98 - Step 4: Simplify right side
884,161.98x = 587,808,987,296.13 - Step 5: Solve for x
x = 587,808,987,296.13/884,161.98 - Step 6: Final answer
x = 664,820.47
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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.