Finding the Fourth Proportional to 828,113.74, 1,143,668.22 and 737,843.18
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Solution
The fourth proportional to 828,113.74, 1,143,668.22 and 737,843.18 is: 1,018,999.87
Step by Step Solution
- Step 1: Write the proportion equation
828,113.74 : 1,143,668.22 = 737,843.18 : x - Step 2: Convert to fraction form
828,113.74/1,143,668.22 = 737,843.18/x - Step 3: Cross multiply
828,113.74x = 1,143,668.22 × 737,843.18 - Step 4: Simplify right side
828,113.74x = 843,847,796,309.74 - Step 5: Solve for x
x = 843,847,796,309.74/828,113.74 - Step 6: Final answer
x = 1,018,999.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.