Finding the Fourth Proportional to 766,721.09, 1,150,307.09 and 226,991.09
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Solution
The fourth proportional to 766,721.09, 1,150,307.09 and 226,991.09 is: 340,553.38
Step by Step Solution
- Step 1: Write the proportion equation
766,721.09 : 1,150,307.09 = 226,991.09 : x - Step 2: Convert to fraction form
766,721.09/1,150,307.09 = 226,991.09/x - Step 3: Cross multiply
766,721.09x = 1,150,307.09 × 226,991.09 - Step 4: Simplify right side
766,721.09x = 261,109,459,058.87 - Step 5: Solve for x
x = 261,109,459,058.87/766,721.09 - Step 6: Final answer
x = 340,553.38
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1.5x scale
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.