Finding the Fourth Proportional to 811,289.80, 1,216,934.70 and 797,465.80
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Solution
The fourth proportional to 811,289.80, 1,216,934.70 and 797,465.80 is: 1,196,198.70
Step by Step Solution
- Step 1: Write the proportion equation
811,289.80 : 1,216,934.70 = 797,465.80 : x - Step 2: Convert to fraction form
811,289.80/1,216,934.70 = 797,465.80/x - Step 3: Cross multiply
811,289.80x = 1,216,934.70 × 797,465.80 - Step 4: Simplify right side
811,289.80x = 970,463,804,083.26 - Step 5: Solve for x
x = 970,463,804,083.26/811,289.80 - Step 6: Final answer
x = 1,196,198.70
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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.