Finding the Fourth Proportional to 875,918.97, 1,313,075.70 and 306,989.96
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Solution
The fourth proportional to 875,918.97, 1,313,075.70 and 306,989.96 is: 460,203.58
Step by Step Solution
- Step 1: Write the proportion equation
875,918.97 : 1,313,075.70 = 306,989.96 : x - Step 2: Convert to fraction form
875,918.97/1,313,075.70 = 306,989.96/x - Step 3: Cross multiply
875,918.97x = 1,313,075.70 × 306,989.96 - Step 4: Simplify right side
875,918.97x = 403,101,050,054.59 - Step 5: Solve for x
x = 403,101,050,054.59/875,918.97 - Step 6: Final answer
x = 460,203.58
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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.