Finding the Fourth Proportional to 792,342.68, 1,188,216.14 and 286,778.75
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Solution
The fourth proportional to 792,342.68, 1,188,216.14 and 286,778.75 is: 430,060.30
Step by Step Solution
- Step 1: Write the proportion equation
792,342.68 : 1,188,216.14 = 286,778.75 : x - Step 2: Convert to fraction form
792,342.68/1,188,216.14 = 286,778.75/x - Step 3: Cross multiply
792,342.68x = 1,188,216.14 × 286,778.75 - Step 4: Simplify right side
792,342.68x = 340,755,131,984.05 - Step 5: Solve for x
x = 340,755,131,984.05/792,342.68 - Step 6: Final answer
x = 430,060.30
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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.