Finding the Fourth Proportional to 814,572.43, 1,220,269.29 and 533,236.75
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Solution
The fourth proportional to 814,572.43, 1,220,269.29 and 533,236.75 is: 798,814.70
Step by Step Solution
- Step 1: Write the proportion equation
814,572.43 : 1,220,269.29 = 533,236.75 : x - Step 2: Convert to fraction form
814,572.43/1,220,269.29 = 533,236.75/x - Step 3: Cross multiply
814,572.43x = 1,220,269.29 × 533,236.75 - Step 4: Simplify right side
814,572.43x = 650,692,430,324.41 - Step 5: Solve for x
x = 650,692,430,324.41/814,572.43 - Step 6: Final answer
x = 798,814.70
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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.