Finding the Fourth Proportional to 559,117.26, 771,614.21 and 421,049.00
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Solution
The fourth proportional to 559,117.26, 771,614.21 and 421,049.00 is: 581,072.02
Step by Step Solution
- Step 1: Write the proportion equation
559,117.26 : 771,614.21 = 421,049.00 : x - Step 2: Convert to fraction form
559,117.26/771,614.21 = 421,049.00/x - Step 3: Cross multiply
559,117.26x = 771,614.21 × 421,049.00 - Step 4: Simplify right side
559,117.26x = 324,887,394,487.95 - Step 5: Solve for x
x = 324,887,394,487.95/559,117.26 - Step 6: Final answer
x = 581,072.02
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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.