Finding the Fourth Proportional to 949,814.28, 1,310,745.75 and 514,236.15
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Solution
The fourth proportional to 949,814.28, 1,310,745.75 and 514,236.15 is: 709,646.99
Step by Step Solution
- Step 1: Write the proportion equation
949,814.28 : 1,310,745.75 = 514,236.15 : x - Step 2: Convert to fraction form
949,814.28/1,310,745.75 = 514,236.15/x - Step 3: Cross multiply
949,814.28x = 1,310,745.75 × 514,236.15 - Step 4: Simplify right side
949,814.28x = 674,032,848,108.86 - Step 5: Solve for x
x = 674,032,848,108.86/949,814.28 - Step 6: Final answer
x = 709,646.99
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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.