Finding the Fourth Proportional to 870,680.98, 1,201,473.87 and 488,633.95
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Solution
The fourth proportional to 870,680.98, 1,201,473.87 and 488,633.95 is: 674,277.88
Step by Step Solution
- Step 1: Write the proportion equation
870,680.98 : 1,201,473.87 = 488,633.95 : x - Step 2: Convert to fraction form
870,680.98/1,201,473.87 = 488,633.95/x - Step 3: Cross multiply
870,680.98x = 1,201,473.87 × 488,633.95 - Step 4: Simplify right side
870,680.98x = 587,080,922,919.89 - Step 5: Solve for x
x = 587,080,922,919.89/870,680.98 - Step 6: Final answer
x = 674,277.88
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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.