Finding the Fourth Proportional to 648,524.97, 972,321.44 and 306,778.95
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Solution
The fourth proportional to 648,524.97, 972,321.44 and 306,778.95 is: 459,947.98
Step by Step Solution
- Step 1: Write the proportion equation
648,524.97 : 972,321.44 = 306,778.95 : x - Step 2: Convert to fraction form
648,524.97/972,321.44 = 306,778.95/x - Step 3: Cross multiply
648,524.97x = 972,321.44 × 306,778.95 - Step 4: Simplify right side
648,524.97x = 298,287,748,891.79 - Step 5: Solve for x
x = 298,287,748,891.79/648,524.97 - Step 6: Final answer
x = 459,947.98
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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.