Finding the Fourth Proportional to 948,553.29, 1,422,832.37 and 387,587.79
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Solution
The fourth proportional to 948,553.29, 1,422,832.37 and 387,587.79 is: 581,382.68
Step by Step Solution
- Step 1: Write the proportion equation
948,553.29 : 1,422,832.37 = 387,587.79 : x - Step 2: Convert to fraction form
948,553.29/1,422,832.37 = 387,587.79/x - Step 3: Cross multiply
948,553.29x = 1,422,832.37 × 387,587.79 - Step 4: Simplify right side
948,553.29x = 551,472,451,890.82 - Step 5: Solve for x
x = 551,472,451,890.82/948,553.29 - Step 6: Final answer
x = 581,382.68
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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.