Finding the Fourth Proportional to 871,156.16, 1,202,209.96 and 483,996.84
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Solution
The fourth proportional to 871,156.16, 1,202,209.96 and 483,996.84 is: 667,923.67
Step by Step Solution
- Step 1: Write the proportion equation
871,156.16 : 1,202,209.96 = 483,996.84 : x - Step 2: Convert to fraction form
871,156.16/1,202,209.96 = 483,996.84/x - Step 3: Cross multiply
871,156.16x = 1,202,209.96 × 483,996.84 - Step 4: Simplify right side
871,156.16x = 581,865,821,656.53 - Step 5: Solve for x
x = 581,865,821,656.53/871,156.16 - Step 6: Final answer
x = 667,923.67
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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.