Finding the Fourth Proportional to 942,008.26, 1,299,935.17 and 512,288.88
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Solution
The fourth proportional to 942,008.26, 1,299,935.17 and 512,288.88 is: 706,938.95
Step by Step Solution
- Step 1: Write the proportion equation
942,008.26 : 1,299,935.17 = 512,288.88 : x - Step 2: Convert to fraction form
942,008.26/1,299,935.17 = 512,288.88/x - Step 3: Cross multiply
942,008.26x = 1,299,935.17 × 512,288.88 - Step 4: Simplify right side
942,008.26x = 665,942,332,311.91 - Step 5: Solve for x
x = 665,942,332,311.91/942,008.26 - Step 6: Final answer
x = 706,938.95
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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.