Finding the Fourth Proportional to 811,299.20, 1,216,948.80 and 733,884.80
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Solution
The fourth proportional to 811,299.20, 1,216,948.80 and 733,884.80 is: 1,100,827.20
Step by Step Solution
- Step 1: Write the proportion equation
811,299.20 : 1,216,948.80 = 733,884.80 : x - Step 2: Convert to fraction form
811,299.20/1,216,948.80 = 733,884.80/x - Step 3: Cross multiply
811,299.20x = 1,216,948.80 × 733,884.80 - Step 4: Simplify right side
811,299.20x = 893,100,226,698.24 - Step 5: Solve for x
x = 893,100,226,698.24/811,299.20 - Step 6: Final answer
x = 1,100,827.20
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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.