Finding the Fourth Proportional to 538,457.58, 743,076.54 and 296,748.99
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Solution
The fourth proportional to 538,457.58, 743,076.54 and 296,748.99 is: 409,516.41
Step by Step Solution
- Step 1: Write the proportion equation
538,457.58 : 743,076.54 = 296,748.99 : x - Step 2: Convert to fraction form
538,457.58/743,076.54 = 296,748.99/x - Step 3: Cross multiply
538,457.58x = 743,076.54 × 296,748.99 - Step 4: Simplify right side
538,457.58x = 220,507,212,737.70 - Step 5: Solve for x
x = 220,507,212,737.70/538,457.58 - Step 6: Final answer
x = 409,516.41
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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.