Finding the Fourth Proportional to 546,109.20, 819,163.80 and 521,614.80
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Solution
The fourth proportional to 546,109.20, 819,163.80 and 521,614.80 is: 782,422.20
Step by Step Solution
- Step 1: Write the proportion equation
546,109.20 : 819,163.80 = 521,614.80 : x - Step 2: Convert to fraction form
546,109.20/819,163.80 = 521,614.80/x - Step 3: Cross multiply
546,109.20x = 819,163.80 × 521,614.80 - Step 4: Simplify right side
546,109.20x = 427,287,961,704.24 - Step 5: Solve for x
x = 427,287,961,704.24/546,109.20 - Step 6: Final answer
x = 782,422.20
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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.