Finding the Fourth Proportional to 703,351.20, 970,623.36 and 381,069.48
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Solution
The fourth proportional to 703,351.20, 970,623.36 and 381,069.48 is: 525,875.18
Step by Step Solution
- Step 1: Write the proportion equation
703,351.20 : 970,623.36 = 381,069.48 : x - Step 2: Convert to fraction form
703,351.20/970,623.36 = 381,069.48/x - Step 3: Cross multiply
703,351.20x = 970,623.36 × 381,069.48 - Step 4: Simplify right side
703,351.20x = 369,874,939,071.05 - Step 5: Solve for x
x = 369,874,939,071.05/703,351.20 - Step 6: Final answer
x = 525,875.18
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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.