Finding the Fourth Proportional to 954,471.87, 1,431,707.81 and 393,491.79
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Solution
The fourth proportional to 954,471.87, 1,431,707.81 and 393,491.79 is: 590,237.69
Step by Step Solution
- Step 1: Write the proportion equation
954,471.87 : 1,431,707.81 = 393,491.79 : x - Step 2: Convert to fraction form
954,471.87/1,431,707.81 = 393,491.79/x - Step 3: Cross multiply
954,471.87x = 1,431,707.81 × 393,491.79 - Step 4: Simplify right side
954,471.87x = 563,365,266,946.42 - Step 5: Solve for x
x = 563,365,266,946.42/954,471.87 - Step 6: Final answer
x = 590,237.69
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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.