Finding the Fourth Proportional to 988,895.80, 1,483,343.70 and 883,919.80
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Solution
The fourth proportional to 988,895.80, 1,483,343.70 and 883,919.80 is: 1,325,879.70
Step by Step Solution
- Step 1: Write the proportion equation
988,895.80 : 1,483,343.70 = 883,919.80 : x - Step 2: Convert to fraction form
988,895.80/1,483,343.70 = 883,919.80/x - Step 3: Cross multiply
988,895.80x = 1,483,343.70 × 883,919.80 - Step 4: Simplify right side
988,895.80x = 1,311,156,866,635.26 - Step 5: Solve for x
x = 1,311,156,866,635.26/988,895.80 - Step 6: Final answer
x = 1,325,879.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.