Finding the Fourth Proportional to 703,272.84, 970,519.02 and 380,982.12
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Solution
The fourth proportional to 703,272.84, 970,519.02 and 380,982.12 is: 525,756.68
Step by Step Solution
- Step 1: Write the proportion equation
703,272.84 : 970,519.02 = 380,982.12 : x - Step 2: Convert to fraction form
703,272.84/970,519.02 = 380,982.12/x - Step 3: Cross multiply
703,272.84x = 970,519.02 × 380,982.12 - Step 4: Simplify right side
703,272.84x = 369,750,393,739.92 - Step 5: Solve for x
x = 369,750,393,739.92/703,272.84 - Step 6: Final answer
x = 525,756.68
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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.