Finding the Fourth Proportional to 871,091.04, 1,202,235.84 and 531,756.12
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Solution
The fourth proportional to 871,091.04, 1,202,235.84 and 531,756.12 is: 733,902.93
Step by Step Solution
- Step 1: Write the proportion equation
871,091.04 : 1,202,235.84 = 531,756.12 : x - Step 2: Convert to fraction form
871,091.04/1,202,235.84 = 531,756.12/x - Step 3: Cross multiply
871,091.04x = 1,202,235.84 × 531,756.12 - Step 4: Simplify right side
871,091.04x = 639,296,265,603.34 - Step 5: Solve for x
x = 639,296,265,603.34/871,091.04 - Step 6: Final answer
x = 733,902.93
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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.