Finding the Fourth Proportional to 538,445.76, 743,060.07 and 296,736.99
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Solution
The fourth proportional to 538,445.76, 743,060.07 and 296,736.99 is: 409,499.76
Step by Step Solution
- Step 1: Write the proportion equation
538,445.76 : 743,060.07 = 296,736.99 : x - Step 2: Convert to fraction form
538,445.76/743,060.07 = 296,736.99/x - Step 3: Cross multiply
538,445.76x = 743,060.07 × 296,736.99 - Step 4: Simplify right side
538,445.76x = 220,493,408,560.99 - Step 5: Solve for x
x = 220,493,408,560.99/538,445.76 - Step 6: Final answer
x = 409,499.76
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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.