Finding the Fourth Proportional to 574,798.65, 793,236.15 and 320,154.09
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Solution
The fourth proportional to 574,798.65, 793,236.15 and 320,154.09 is: 441,820.45
Step by Step Solution
- Step 1: Write the proportion equation
574,798.65 : 793,236.15 = 320,154.09 : x - Step 2: Convert to fraction form
574,798.65/793,236.15 = 320,154.09/x - Step 3: Cross multiply
574,798.65x = 793,236.15 × 320,154.09 - Step 4: Simplify right side
574,798.65x = 253,957,797,758.35 - Step 5: Solve for x
x = 253,957,797,758.35/574,798.65 - Step 6: Final answer
x = 441,820.45
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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.