Finding the Fourth Proportional to 705,768.26, 1,058,057.21 and 306,108.02
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Solution
The fourth proportional to 705,768.26, 1,058,057.21 and 306,108.02 is: 458,903.89
Step by Step Solution
- Step 1: Write the proportion equation
705,768.26 : 1,058,057.21 = 306,108.02 : x - Step 2: Convert to fraction form
705,768.26/1,058,057.21 = 306,108.02/x - Step 3: Cross multiply
705,768.26x = 1,058,057.21 × 306,108.02 - Step 4: Simplify right side
705,768.26x = 323,879,801,010.24 - Step 5: Solve for x
x = 323,879,801,010.24/705,768.26 - Step 6: Final answer
x = 458,903.89
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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.