Finding the Fourth Proportional to 747,617.76, 1,121,372.37 and 292,123.37
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Solution
The fourth proportional to 747,617.76, 1,121,372.37 and 292,123.37 is: 438,163.85
Step by Step Solution
- Step 1: Write the proportion equation
747,617.76 : 1,121,372.37 = 292,123.37 : x - Step 2: Convert to fraction form
747,617.76/1,121,372.37 = 292,123.37/x - Step 3: Cross multiply
747,617.76x = 1,121,372.37 × 292,123.37 - Step 4: Simplify right side
747,617.76x = 327,579,070,142.43 - Step 5: Solve for x
x = 327,579,070,142.43/747,617.76 - Step 6: Final answer
x = 438,163.85
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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.