Finding the Fourth Proportional to 703,425.97, 970,682.75 and 393,354.09
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Solution
The fourth proportional to 703,425.97, 970,682.75 and 393,354.09 is: 542,803.43
Step by Step Solution
- Step 1: Write the proportion equation
703,425.97 : 970,682.75 = 393,354.09 : x - Step 2: Convert to fraction form
703,425.97/970,682.75 = 393,354.09/x - Step 3: Cross multiply
703,425.97x = 970,682.75 × 393,354.09 - Step 4: Simplify right side
703,425.97x = 381,822,029,804.95 - Step 5: Solve for x
x = 381,822,029,804.95/703,425.97 - Step 6: Final answer
x = 542,803.43
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1.5x scale
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.