Finding the Fourth Proportional to 944,805.87, 1,303,845.66 and 515,107.76
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Solution
The fourth proportional to 944,805.87, 1,303,845.66 and 515,107.76 is: 710,856.09
Step by Step Solution
- Step 1: Write the proportion equation
944,805.87 : 1,303,845.66 = 515,107.76 : x - Step 2: Convert to fraction form
944,805.87/1,303,845.66 = 515,107.76/x - Step 3: Cross multiply
944,805.87x = 1,303,845.66 × 515,107.76 - Step 4: Simplify right side
944,805.87x = 671,621,010,789.09 - Step 5: Solve for x
x = 671,621,010,789.09/944,805.87 - Step 6: Final answer
x = 710,856.09
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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.