Finding the Fourth Proportional to 747,512.28, 1,121,416.11 and 274,201.74
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Solution
The fourth proportional to 747,512.28, 1,121,416.11 and 274,201.74 is: 411,356.79
Step by Step Solution
- Step 1: Write the proportion equation
747,512.28 : 1,121,416.11 = 274,201.74 : x - Step 2: Convert to fraction form
747,512.28/1,121,416.11 = 274,201.74/x - Step 3: Cross multiply
747,512.28x = 1,121,416.11 × 274,201.74 - Step 4: Simplify right side
747,512.28x = 307,494,248,626.03 - Step 5: Solve for x
x = 307,494,248,626.03/747,512.28 - Step 6: Final answer
x = 411,356.79
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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.