Finding the Fourth Proportional to 848,560.63, 1,272,000.16 and 398,475.81
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Solution
The fourth proportional to 848,560.63, 1,272,000.16 and 398,475.81 is: 597,318.89
Step by Step Solution
- Step 1: Write the proportion equation
848,560.63 : 1,272,000.16 = 398,475.81 : x - Step 2: Convert to fraction form
848,560.63/1,272,000.16 = 398,475.81/x - Step 3: Cross multiply
848,560.63x = 1,272,000.16 × 398,475.81 - Step 4: Simplify right side
848,560.63x = 506,861,294,076.13 - Step 5: Solve for x
x = 506,861,294,076.13/848,560.63 - Step 6: Final answer
x = 597,318.89
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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.