Finding the Fourth Proportional to 739,248.68, 1,108,992.60 and 289,725.68
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Solution
The fourth proportional to 739,248.68, 1,108,992.60 and 289,725.68 is: 434,635.39
Step by Step Solution
- Step 1: Write the proportion equation
739,248.68 : 1,108,992.60 = 289,725.68 : x - Step 2: Convert to fraction form
739,248.68/1,108,992.60 = 289,725.68/x - Step 3: Cross multiply
739,248.68x = 1,108,992.60 × 289,725.68 - Step 4: Simplify right side
739,248.68x = 321,303,635,149.97 - Step 5: Solve for x
x = 321,303,635,149.97/739,248.68 - Step 6: Final answer
x = 434,635.39
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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.