Finding the Fourth Proportional to 871,645.08, 1,202,658.66 and 508,861.20
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Solution
The fourth proportional to 871,645.08, 1,202,658.66 and 508,861.20 is: 702,104.95
Step by Step Solution
- Step 1: Write the proportion equation
871,645.08 : 1,202,658.66 = 508,861.20 : x - Step 2: Convert to fraction form
871,645.08/1,202,658.66 = 508,861.20/x - Step 3: Cross multiply
871,645.08x = 1,202,658.66 × 508,861.20 - Step 4: Simplify right side
871,645.08x = 611,986,328,917.99 - Step 5: Solve for x
x = 611,986,328,917.99/871,645.08 - Step 6: Final answer
x = 702,104.95
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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.