Finding the Fourth Proportional to 827,836.80, 1,239,130.80 and 591,640.80
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Solution
The fourth proportional to 827,836.80, 1,239,130.80 and 591,640.80 is: 885,585.59
Step by Step Solution
- Step 1: Write the proportion equation
827,836.80 : 1,239,130.80 = 591,640.80 : x - Step 2: Convert to fraction form
827,836.80/1,239,130.80 = 591,640.80/x - Step 3: Cross multiply
827,836.80x = 1,239,130.80 × 591,640.80 - Step 4: Simplify right side
827,836.80x = 733,120,337,816.64 - Step 5: Solve for x
x = 733,120,337,816.64/827,836.80 - Step 6: Final answer
x = 885,585.59
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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.