Finding the Fourth Proportional to 513,232.75, 708,246.48 and 283,786.03
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Solution
The fourth proportional to 513,232.75, 708,246.48 and 283,786.03 is: 391,616.58
Step by Step Solution
- Step 1: Write the proportion equation
513,232.75 : 708,246.48 = 283,786.03 : x - Step 2: Convert to fraction form
513,232.75/708,246.48 = 283,786.03/x - Step 3: Cross multiply
513,232.75x = 708,246.48 × 283,786.03 - Step 4: Simplify right side
513,232.75x = 200,990,456,820.67 - Step 5: Solve for x
x = 200,990,456,820.67/513,232.75 - Step 6: Final answer
x = 391,616.58
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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.