Finding the Fourth Proportional to 871,160.23, 1,202,215.30 and 484,000.63
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Solution
The fourth proportional to 871,160.23, 1,202,215.30 and 484,000.63 is: 667,928.75
Step by Step Solution
- Step 1: Write the proportion equation
871,160.23 : 1,202,215.30 = 484,000.63 : x - Step 2: Convert to fraction form
871,160.23/1,202,215.30 = 484,000.63/x - Step 3: Cross multiply
871,160.23x = 1,202,215.30 × 484,000.63 - Step 4: Simplify right side
871,160.23x = 581,872,965,142.56 - Step 5: Solve for x
x = 581,872,965,142.56/871,160.23 - Step 6: Final answer
x = 667,928.75
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1.5x scale
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.