Finding the Fourth Proportional to 747,375.86, 1,120,373.84 and 297,988.07
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Solution
The fourth proportional to 747,375.86, 1,120,373.84 and 297,988.07 is: 446,707.01
Step by Step Solution
- Step 1: Write the proportion equation
747,375.86 : 1,120,373.84 = 297,988.07 : x - Step 2: Convert to fraction form
747,375.86/1,120,373.84 = 297,988.07/x - Step 3: Cross multiply
747,375.86x = 1,120,373.84 × 297,988.07 - Step 4: Simplify right side
747,375.86x = 333,858,033,403.19 - Step 5: Solve for x
x = 333,858,033,403.19/747,375.86 - Step 6: Final answer
x = 446,707.01
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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.