Finding the Fourth Proportional to 827,409.80, 1,241,114.70 and 512,481.80
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Solution
The fourth proportional to 827,409.80, 1,241,114.70 and 512,481.80 is: 768,722.70
Step by Step Solution
- Step 1: Write the proportion equation
827,409.80 : 1,241,114.70 = 512,481.80 : x - Step 2: Convert to fraction form
827,409.80/1,241,114.70 = 512,481.80/x - Step 3: Cross multiply
827,409.80x = 1,241,114.70 × 512,481.80 - Step 4: Simplify right side
827,409.80x = 636,048,695,462.46 - Step 5: Solve for x
x = 636,048,695,462.46/827,409.80 - Step 6: Final answer
x = 768,722.70
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1.5x scale
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.