Finding the Fourth Proportional to 747,472.37, 1,121,372.06 and 242,084.42
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Solution
The fourth proportional to 747,472.37, 1,121,372.06 and 242,084.42 is: 363,179.59
Step by Step Solution
- Step 1: Write the proportion equation
747,472.37 : 1,121,372.06 = 242,084.42 : x - Step 2: Convert to fraction form
747,472.37/1,121,372.06 = 242,084.42/x - Step 3: Cross multiply
747,472.37x = 1,121,372.06 × 242,084.42 - Step 4: Simplify right side
747,472.37x = 271,466,706,342.31 - Step 5: Solve for x
x = 271,466,706,342.31/747,472.37 - Step 6: Final answer
x = 363,179.59
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1.5x scale
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.