Finding the Fourth Proportional to 870,825.97, 1,201,735.08 and 488,852.65
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Solution
The fourth proportional to 870,825.97, 1,201,735.08 and 488,852.65 is: 674,613.99
Step by Step Solution
- Step 1: Write the proportion equation
870,825.97 : 1,201,735.08 = 488,852.65 : x - Step 2: Convert to fraction form
870,825.97/1,201,735.08 = 488,852.65/x - Step 3: Cross multiply
870,825.97x = 1,201,735.08 × 488,852.65 - Step 4: Simplify right side
870,825.97x = 587,471,378,455.96 - Step 5: Solve for x
x = 587,471,378,455.96/870,825.97 - Step 6: Final answer
x = 674,613.99
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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.