Finding the Fourth Proportional to 965,919.20, 1,449,073.20 and 809,232.80
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Solution
The fourth proportional to 965,919.20, 1,449,073.20 and 809,232.80 is: 1,214,012.07
Step by Step Solution
- Step 1: Write the proportion equation
965,919.20 : 1,449,073.20 = 809,232.80 : x - Step 2: Convert to fraction form
965,919.20/1,449,073.20 = 809,232.80/x - Step 3: Cross multiply
965,919.20x = 1,449,073.20 × 809,232.80 - Step 4: Simplify right side
965,919.20x = 1,172,637,563,040.96 - Step 5: Solve for x
x = 1,172,637,563,040.96/965,919.20 - Step 6: Final answer
x = 1,214,012.07
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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.