Finding the Fourth Proportional to 538,496.43, 743,122.63 and 296,778.48
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Solution
The fourth proportional to 538,496.43, 743,122.63 and 296,778.48 is: 409,552.95
Step by Step Solution
- Step 1: Write the proportion equation
538,496.43 : 743,122.63 = 296,778.48 : x - Step 2: Convert to fraction form
538,496.43/743,122.63 = 296,778.48/x - Step 3: Cross multiply
538,496.43x = 743,122.63 × 296,778.48 - Step 4: Simplify right side
538,496.43x = 220,542,803,843.06 - Step 5: Solve for x
x = 220,542,803,843.06/538,496.43 - Step 6: Final answer
x = 409,552.95
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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.