Finding the Fourth Proportional to 699,199.04, 964,923.48 and 393,289.70
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Solution
The fourth proportional to 699,199.04, 964,923.48 and 393,289.70 is: 542,755.99
Step by Step Solution
- Step 1: Write the proportion equation
699,199.04 : 964,923.48 = 393,289.70 : x - Step 2: Convert to fraction form
699,199.04/964,923.48 = 393,289.70/x - Step 3: Cross multiply
699,199.04x = 964,923.48 × 393,289.70 - Step 4: Simplify right side
699,199.04x = 379,494,465,972.16 - Step 5: Solve for x
x = 379,494,465,972.16/699,199.04 - Step 6: Final answer
x = 542,755.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.