Finding the Fourth Proportional to 852,856.19, 1,177,010.60 and 490,397.84
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Solution
The fourth proportional to 852,856.19, 1,177,010.60 and 490,397.84 is: 676,788.73
Step by Step Solution
- Step 1: Write the proportion equation
852,856.19 : 1,177,010.60 = 490,397.84 : x - Step 2: Convert to fraction form
852,856.19/1,177,010.60 = 490,397.84/x - Step 3: Cross multiply
852,856.19x = 1,177,010.60 × 490,397.84 - Step 4: Simplify right side
852,856.19x = 577,203,458,594.54 - Step 5: Solve for x
x = 577,203,458,594.54/852,856.19 - Step 6: Final answer
x = 676,788.73
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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.