Finding the Fourth Proportional to 948,562.29, 1,422,845.87 and 387,596.79
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Solution
The fourth proportional to 948,562.29, 1,422,845.87 and 387,596.79 is: 581,396.18
Step by Step Solution
- Step 1: Write the proportion equation
948,562.29 : 1,422,845.87 = 387,596.79 : x - Step 2: Convert to fraction form
948,562.29/1,422,845.87 = 387,596.79/x - Step 3: Cross multiply
948,562.29x = 1,422,845.87 × 387,596.79 - Step 4: Simplify right side
948,562.29x = 551,490,489,938.77 - Step 5: Solve for x
x = 551,490,489,938.77/948,562.29 - Step 6: Final answer
x = 581,396.18
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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.