Finding the Fourth Proportional to 634,481.21, 875,793.42 and 567,220.70
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Solution
The fourth proportional to 634,481.21, 875,793.42 and 567,220.70 is: 782,951.72
Step by Step Solution
- Step 1: Write the proportion equation
634,481.21 : 875,793.42 = 567,220.70 : x - Step 2: Convert to fraction form
634,481.21/875,793.42 = 567,220.70/x - Step 3: Cross multiply
634,481.21x = 875,793.42 × 567,220.70 - Step 4: Simplify right side
634,481.21x = 496,768,156,747.79 - Step 5: Solve for x
x = 496,768,156,747.79/634,481.21 - Step 6: Final answer
x = 782,951.72
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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.