Finding the Fourth Proportional to 848,318.84, 1,272,445.05 and 287,353.34
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Solution
The fourth proportional to 848,318.84, 1,272,445.05 and 287,353.34 is: 431,018.76
Step by Step Solution
- Step 1: Write the proportion equation
848,318.84 : 1,272,445.05 = 287,353.34 : x - Step 2: Convert to fraction form
848,318.84/1,272,445.05 = 287,353.34/x - Step 3: Cross multiply
848,318.84x = 1,272,445.05 × 287,353.34 - Step 4: Simplify right side
848,318.84x = 365,641,335,083.97 - Step 5: Solve for x
x = 365,641,335,083.97/848,318.84 - Step 6: Final answer
x = 431,018.76
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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.