Finding the Fourth Proportional to 871,739.03, 1,202,991.66 and 484,544.31
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Solution
The fourth proportional to 871,739.03, 1,202,991.66 and 484,544.31 is: 668,666.59
Step by Step Solution
- Step 1: Write the proportion equation
871,739.03 : 1,202,991.66 = 484,544.31 : x - Step 2: Convert to fraction form
871,739.03/1,202,991.66 = 484,544.31/x - Step 3: Cross multiply
871,739.03x = 1,202,991.66 × 484,544.31 - Step 4: Simplify right side
871,739.03x = 582,902,763,830.46 - Step 5: Solve for x
x = 582,902,763,830.46/871,739.03 - Step 6: Final answer
x = 668,666.59
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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.