Finding the Fourth Proportional to 744,227.87, 1,027,110.71 and 438,400.49
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Solution
The fourth proportional to 744,227.87, 1,027,110.71 and 438,400.49 is: 605,037.59
Step by Step Solution
- Step 1: Write the proportion equation
744,227.87 : 1,027,110.71 = 438,400.49 : x - Step 2: Convert to fraction form
744,227.87/1,027,110.71 = 438,400.49/x - Step 3: Cross multiply
744,227.87x = 1,027,110.71 × 438,400.49 - Step 4: Simplify right side
744,227.87x = 450,285,834,508.70 - Step 5: Solve for x
x = 450,285,834,508.70/744,227.87 - Step 6: Final answer
x = 605,037.59
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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.