Finding the Fourth Proportional to 848,522.08, 1,170,950.97 and 631,700.20
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Solution
The fourth proportional to 848,522.08, 1,170,950.97 and 631,700.20 is: 871,739.20
Step by Step Solution
- Step 1: Write the proportion equation
848,522.08 : 1,170,950.97 = 631,700.20 : x - Step 2: Convert to fraction form
848,522.08/1,170,950.97 = 631,700.20/x - Step 3: Cross multiply
848,522.08x = 1,170,950.97 × 631,700.20 - Step 4: Simplify right side
848,522.08x = 739,689,961,939.19 - Step 5: Solve for x
x = 739,689,961,939.19/848,522.08 - Step 6: Final answer
x = 871,739.20
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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.