Finding the Fourth Proportional to 871,431.62, 1,202,551.61 and 484,237.04
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Solution
The fourth proportional to 871,431.62, 1,202,551.61 and 484,237.04 is: 668,233.76
Step by Step Solution
- Step 1: Write the proportion equation
871,431.62 : 1,202,551.61 = 484,237.04 : x - Step 2: Convert to fraction form
871,431.62/1,202,551.61 = 484,237.04/x - Step 3: Cross multiply
871,431.62x = 1,202,551.61 × 484,237.04 - Step 4: Simplify right side
871,431.62x = 582,320,032,073.63 - Step 5: Solve for x
x = 582,320,032,073.63/871,431.62 - Step 6: Final answer
x = 668,233.76
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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.