Finding the Fourth Proportional to 577,432.13, 796,861.49 and 319,326.44
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Solution
The fourth proportional to 577,432.13, 796,861.49 and 319,326.44 is: 440,673.33
Step by Step Solution
- Step 1: Write the proportion equation
577,432.13 : 796,861.49 = 319,326.44 : x - Step 2: Convert to fraction form
577,432.13/796,861.49 = 319,326.44/x - Step 3: Cross multiply
577,432.13x = 796,861.49 × 319,326.44 - Step 4: Simplify right side
577,432.13x = 254,458,939,588.80 - Step 5: Solve for x
x = 254,458,939,588.80/577,432.13 - Step 6: Final answer
x = 440,673.33
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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.