Finding the Fourth Proportional to 769,047.62, 1,152,821.61 and 307,287.99
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Solution
The fourth proportional to 769,047.62, 1,152,821.61 and 307,287.99 is: 460,632.38
Step by Step Solution
- Step 1: Write the proportion equation
769,047.62 : 1,152,821.61 = 307,287.99 : x - Step 2: Convert to fraction form
769,047.62/1,152,821.61 = 307,287.99/x - Step 3: Cross multiply
769,047.62x = 1,152,821.61 × 307,287.99 - Step 4: Simplify right side
769,047.62x = 354,248,235,365.46 - Step 5: Solve for x
x = 354,248,235,365.46/769,047.62 - Step 6: Final answer
x = 460,632.38
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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.