Finding the Fourth Proportional to 848,563.63, 1,272,004.66 and 398,478.81
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Solution
The fourth proportional to 848,563.63, 1,272,004.66 and 398,478.81 is: 597,323.39
Step by Step Solution
- Step 1: Write the proportion equation
848,563.63 : 1,272,004.66 = 398,478.81 : x - Step 2: Convert to fraction form
848,563.63/1,272,004.66 = 398,478.81/x - Step 3: Cross multiply
848,563.63x = 1,272,004.66 × 398,478.81 - Step 4: Simplify right side
848,563.63x = 506,866,903,231.26 - Step 5: Solve for x
x = 506,866,903,231.26/848,563.63 - Step 6: Final answer
x = 597,323.39
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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.