Finding the Fourth Proportional to 747,671.44, 1,121,230.12 and 267,824.44
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Solution
The fourth proportional to 747,671.44, 1,121,230.12 and 267,824.44 is: 401,637.42
Step by Step Solution
- Step 1: Write the proportion equation
747,671.44 : 1,121,230.12 = 267,824.44 : x - Step 2: Convert to fraction form
747,671.44/1,121,230.12 = 267,824.44/x - Step 3: Cross multiply
747,671.44x = 1,121,230.12 × 267,824.44 - Step 4: Simplify right side
747,671.44x = 300,292,829,000.13 - Step 5: Solve for x
x = 300,292,829,000.13/747,671.44 - Step 6: Final answer
x = 401,637.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.