Finding the Fourth Proportional to 716,728.56, 1,075,009.68 and 267,465.12
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Solution
The fourth proportional to 716,728.56, 1,075,009.68 and 267,465.12 is: 401,166.65
Step by Step Solution
- Step 1: Write the proportion equation
716,728.56 : 1,075,009.68 = 267,465.12 : x - Step 2: Convert to fraction form
716,728.56/1,075,009.68 = 267,465.12/x - Step 3: Cross multiply
716,728.56x = 1,075,009.68 × 267,465.12 - Step 4: Simplify right side
716,728.56x = 287,527,593,062.36 - Step 5: Solve for x
x = 287,527,593,062.36/716,728.56 - Step 6: Final answer
x = 401,166.65
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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.