Finding the Fourth Proportional to 1,431,531.24, 2,147,240.76 and 484,901.93
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Solution
The fourth proportional to 1,431,531.24, 2,147,240.76 and 484,901.93 is: 727,333.89
Step by Step Solution
- Step 1: Write the proportion equation
1,431,531.24 : 2,147,240.76 = 484,901.93 : x - Step 2: Convert to fraction form
1,431,531.24/2,147,240.76 = 484,901.93/x - Step 3: Cross multiply
1,431,531.24x = 2,147,240.76 × 484,901.93 - Step 4: Simplify right side
1,431,531.24x = 1,041,201,188,698.67 - Step 5: Solve for x
x = 1,041,201,188,698.67/1,431,531.24 - Step 6: Final answer
x = 727,333.89
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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.