Finding the Fourth Proportional to 914,405.80, 1,371,608.70 and 381,749.80
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Solution
The fourth proportional to 914,405.80, 1,371,608.70 and 381,749.80 is: 572,624.70
Step by Step Solution
- Step 1: Write the proportion equation
914,405.80 : 1,371,608.70 = 381,749.80 : x - Step 2: Convert to fraction form
914,405.80/1,371,608.70 = 381,749.80/x - Step 3: Cross multiply
914,405.80x = 1,371,608.70 × 381,749.80 - Step 4: Simplify right side
914,405.80x = 523,611,346,903.26 - Step 5: Solve for x
x = 523,611,346,903.26/914,405.80 - Step 6: Final answer
x = 572,624.70
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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.