Finding the Fourth Proportional to 910,389.44, 1,365,649.77 and 349,423.94
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Solution
The fourth proportional to 910,389.44, 1,365,649.77 and 349,423.94 is: 524,161.09
Step by Step Solution
- Step 1: Write the proportion equation
910,389.44 : 1,365,649.77 = 349,423.94 : x - Step 2: Convert to fraction form
910,389.44/1,365,649.77 = 349,423.94/x - Step 3: Cross multiply
910,389.44x = 1,365,649.77 × 349,423.94 - Step 4: Simplify right side
910,389.44x = 477,190,723,293.49 - Step 5: Solve for x
x = 477,190,723,293.49/910,389.44 - Step 6: Final answer
x = 524,161.09
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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.