Finding the Fourth Proportional to 827,329.20, 1,241,261.19 and 406,309.80
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Solution
The fourth proportional to 827,329.20, 1,241,261.19 and 406,309.80 is: 609,596.02
Step by Step Solution
- Step 1: Write the proportion equation
827,329.20 : 1,241,261.19 = 406,309.80 : x - Step 2: Convert to fraction form
827,329.20/1,241,261.19 = 406,309.80/x - Step 3: Cross multiply
827,329.20x = 1,241,261.19 × 406,309.80 - Step 4: Simplify right side
827,329.20x = 504,336,585,856.66 - Step 5: Solve for x
x = 504,336,585,856.66/827,329.20 - Step 6: Final answer
x = 609,596.02
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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.