Finding the Fourth Proportional to 875,640.47, 1,313,595.86 and 370,203.09
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Solution
The fourth proportional to 875,640.47, 1,313,595.86 and 370,203.09 is: 555,361.78
Step by Step Solution
- Step 1: Write the proportion equation
875,640.47 : 1,313,595.86 = 370,203.09 : x - Step 2: Convert to fraction form
875,640.47/1,313,595.86 = 370,203.09/x - Step 3: Cross multiply
875,640.47x = 1,313,595.86 × 370,203.09 - Step 4: Simplify right side
875,640.47x = 486,297,244,532.19 - Step 5: Solve for x
x = 486,297,244,532.19/875,640.47 - Step 6: Final answer
x = 555,361.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.