Finding the Fourth Proportional to 903,643.48, 1,354,583.94 and 430,201.72
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Solution
The fourth proportional to 903,643.48, 1,354,583.94 and 430,201.72 is: 644,883.02
Step by Step Solution
- Step 1: Write the proportion equation
903,643.48 : 1,354,583.94 = 430,201.72 : x - Step 2: Convert to fraction form
903,643.48/1,354,583.94 = 430,201.72/x - Step 3: Cross multiply
903,643.48x = 1,354,583.94 × 430,201.72 - Step 4: Simplify right side
903,643.48x = 582,744,340,872.38 - Step 5: Solve for x
x = 582,744,340,872.38/903,643.48 - Step 6: Final answer
x = 644,883.02
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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.