Finding the Fourth Proportional to 941,879.48, 1,299,800.44 and 512,156.53
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Solution
The fourth proportional to 941,879.48, 1,299,800.44 and 512,156.53 is: 706,779.69
Step by Step Solution
- Step 1: Write the proportion equation
941,879.48 : 1,299,800.44 = 512,156.53 : x - Step 2: Convert to fraction form
941,879.48/1,299,800.44 = 512,156.53/x - Step 3: Cross multiply
941,879.48x = 1,299,800.44 × 512,156.53 - Step 4: Simplify right side
941,879.48x = 665,701,283,042.87 - Step 5: Solve for x
x = 665,701,283,042.87/941,879.48 - Step 6: Final answer
x = 706,779.69
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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.