Finding the Fourth Proportional to 538,458.93, 743,078.21 and 296,750.12
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Solution
The fourth proportional to 538,458.93, 743,078.21 and 296,750.12 is: 409,517.85
Step by Step Solution
- Step 1: Write the proportion equation
538,458.93 : 743,078.21 = 296,750.12 : x - Step 2: Convert to fraction form
538,458.93/743,078.21 = 296,750.12/x - Step 3: Cross multiply
538,458.93x = 743,078.21 × 296,750.12 - Step 4: Simplify right side
538,458.93x = 220,508,542,787.74 - Step 5: Solve for x
x = 220,508,542,787.74/538,458.93 - Step 6: Final answer
x = 409,517.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.