Finding the Fourth Proportional to 878,430.44, 1,317,529.01 and 247,393.46
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Solution
The fourth proportional to 878,430.44, 1,317,529.01 and 247,393.46 is: 371,057.33
Step by Step Solution
- Step 1: Write the proportion equation
878,430.44 : 1,317,529.01 = 247,393.46 : x - Step 2: Convert to fraction form
878,430.44/1,317,529.01 = 247,393.46/x - Step 3: Cross multiply
878,430.44x = 1,317,529.01 × 247,393.46 - Step 4: Simplify right side
878,430.44x = 325,948,052,609.66 - Step 5: Solve for x
x = 325,948,052,609.66/878,430.44 - Step 6: Final answer
x = 371,057.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.