Finding the Fourth Proportional to 917,755.24, 1,266,310.26 and 555,108.12
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Solution
The fourth proportional to 917,755.24, 1,266,310.26 and 555,108.12 is: 765,933.09
Step by Step Solution
- Step 1: Write the proportion equation
917,755.24 : 1,266,310.26 = 555,108.12 : x - Step 2: Convert to fraction form
917,755.24/1,266,310.26 = 555,108.12/x - Step 3: Cross multiply
917,755.24x = 1,266,310.26 × 555,108.12 - Step 4: Simplify right side
917,755.24x = 702,939,107,765.31 - Step 5: Solve for x
x = 702,939,107,765.31/917,755.24 - Step 6: Final answer
x = 765,933.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.