Finding the Fourth Proportional to 848,948.68, 1,273,580.52 and 280,369.18
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Solution
The fourth proportional to 848,948.68, 1,273,580.52 and 280,369.18 is: 420,605.79
Step by Step Solution
- Step 1: Write the proportion equation
848,948.68 : 1,273,580.52 = 280,369.18 : x - Step 2: Convert to fraction form
848,948.68/1,273,580.52 = 280,369.18/x - Step 3: Cross multiply
848,948.68x = 1,273,580.52 × 280,369.18 - Step 4: Simplify right side
848,948.68x = 357,072,726,056.37 - Step 5: Solve for x
x = 357,072,726,056.37/848,948.68 - Step 6: Final answer
x = 420,605.79
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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.