Finding the Fourth Proportional to 536,481.40, 803,555.70 and 325,751.80
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Solution
The fourth proportional to 536,481.40, 803,555.70 and 325,751.80 is: 487,919.46
Step by Step Solution
- Step 1: Write the proportion equation
536,481.40 : 803,555.70 = 325,751.80 : x - Step 2: Convert to fraction form
536,481.40/803,555.70 = 325,751.80/x - Step 3: Cross multiply
536,481.40x = 803,555.70 × 325,751.80 - Step 4: Simplify right side
536,481.40x = 261,759,715,675.26 - Step 5: Solve for x
x = 261,759,715,675.26/536,481.40 - Step 6: Final answer
x = 487,919.46
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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.