Finding the Fourth Proportional to 867,995.26, 1,197,882.85 and 486,018.70
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Solution
The fourth proportional to 867,995.26, 1,197,882.85 and 486,018.70 is: 670,733.46
Step by Step Solution
- Step 1: Write the proportion equation
867,995.26 : 1,197,882.85 = 486,018.70 : x - Step 2: Convert to fraction form
867,995.26/1,197,882.85 = 486,018.70/x - Step 3: Cross multiply
867,995.26x = 1,197,882.85 × 486,018.70 - Step 4: Simplify right side
867,995.26x = 582,193,465,509.30 - Step 5: Solve for x
x = 582,193,465,509.30/867,995.26 - Step 6: Final answer
x = 670,733.46
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1.5x scale
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.