Finding the Fourth Proportional to 781,939.26, 1,173,005.51 and 276,395.99
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Solution
The fourth proportional to 781,939.26, 1,173,005.51 and 276,395.99 is: 414,628.13
Step by Step Solution
- Step 1: Write the proportion equation
781,939.26 : 1,173,005.51 = 276,395.99 : x - Step 2: Convert to fraction form
781,939.26/1,173,005.51 = 276,395.99/x - Step 3: Cross multiply
781,939.26x = 1,173,005.51 × 276,395.99 - Step 4: Simplify right side
781,939.26x = 324,214,011,964.90 - Step 5: Solve for x
x = 324,214,011,964.90/781,939.26 - Step 6: Final answer
x = 414,628.13
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.