Finding the Fourth Proportional to 734,408.91, 1,100,727.50 and 379,229.31
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Solution
The fourth proportional to 734,408.91, 1,100,727.50 and 379,229.31 is: 568,386.53
Step by Step Solution
- Step 1: Write the proportion equation
734,408.91 : 1,100,727.50 = 379,229.31 : x - Step 2: Convert to fraction form
734,408.91/1,100,727.50 = 379,229.31/x - Step 3: Cross multiply
734,408.91x = 1,100,727.50 × 379,229.31 - Step 4: Simplify right side
734,408.91x = 417,428,128,426.88 - Step 5: Solve for x
x = 417,428,128,426.88/734,408.91 - Step 6: Final answer
x = 568,386.53
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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.