Finding the Fourth Proportional to 579,552.37, 799,770.35 and 321,387.65
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Solution
The fourth proportional to 579,552.37, 799,770.35 and 321,387.65 is: 443,508.35
Step by Step Solution
- Step 1: Write the proportion equation
579,552.37 : 799,770.35 = 321,387.65 : x - Step 2: Convert to fraction form
579,552.37/799,770.35 = 321,387.65/x - Step 3: Cross multiply
579,552.37x = 799,770.35 × 321,387.65 - Step 4: Simplify right side
579,552.37x = 257,036,311,719.24 - Step 5: Solve for x
x = 257,036,311,719.24/579,552.37 - Step 6: Final answer
x = 443,508.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.