Finding the Fourth Proportional to 538,494.62, 743,122.58 and 296,777.19
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Solution
The fourth proportional to 538,494.62, 743,122.58 and 296,777.19 is: 409,552.52
Step by Step Solution
- Step 1: Write the proportion equation
538,494.62 : 743,122.58 = 296,777.19 : x - Step 2: Convert to fraction form
538,494.62/743,122.58 = 296,777.19/x - Step 3: Cross multiply
538,494.62x = 743,122.58 × 296,777.19 - Step 4: Simplify right side
538,494.62x = 220,541,829,634.06 - Step 5: Solve for x
x = 220,541,829,634.06/538,494.62 - Step 6: Final answer
x = 409,552.52
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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.