Finding the Fourth Proportional to 724,202.20, 1,086,821.70 and 408,323.80
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Solution
The fourth proportional to 724,202.20, 1,086,821.70 and 408,323.80 is: 612,777.99
Step by Step Solution
- Step 1: Write the proportion equation
724,202.20 : 1,086,821.70 = 408,323.80 : x - Step 2: Convert to fraction form
724,202.20/1,086,821.70 = 408,323.80/x - Step 3: Cross multiply
724,202.20x = 1,086,821.70 × 408,323.80 - Step 4: Simplify right side
724,202.20x = 443,775,166,466.46 - Step 5: Solve for x
x = 443,775,166,466.46/724,202.20 - Step 6: Final answer
x = 612,777.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.