Finding the Fourth Proportional to 538,697.06, 743,407.69 and 296,988.28
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Solution
The fourth proportional to 538,697.06, 743,407.69 and 296,988.28 is: 409,846.99
Step by Step Solution
- Step 1: Write the proportion equation
538,697.06 : 743,407.69 = 296,988.28 : x - Step 2: Convert to fraction form
538,697.06/743,407.69 = 296,988.28/x - Step 3: Cross multiply
538,697.06x = 743,407.69 × 296,988.28 - Step 4: Simplify right side
538,697.06x = 220,783,369,357.21 - Step 5: Solve for x
x = 220,783,369,357.21/538,697.06 - Step 6: Final answer
x = 409,846.99
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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.