Finding the Fourth Proportional to 563,630.06, 777,840.76 and 321,991.08
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Solution
The fourth proportional to 563,630.06, 777,840.76 and 321,991.08 is: 444,365.56
Step by Step Solution
- Step 1: Write the proportion equation
563,630.06 : 777,840.76 = 321,991.08 : x - Step 2: Convert to fraction form
563,630.06/777,840.76 = 321,991.08/x - Step 3: Cross multiply
563,630.06x = 777,840.76 × 321,991.08 - Step 4: Simplify right side
563,630.06x = 250,457,786,380.42 - Step 5: Solve for x
x = 250,457,786,380.42/563,630.06 - Step 6: Final answer
x = 444,365.56
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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.