Finding the Fourth Proportional to 1,148,639.64, 1,722,828.84 and 307,257
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Solution
The fourth proportional to 1,148,639.64, 1,722,828.84 and 307,257 is: 460,850.56
Step by Step Solution
- Step 1: Write the proportion equation
1,148,639.64 : 1,722,828.84 = 307,257 : x - Step 2: Convert to fraction form
1,148,639.64/1,722,828.84 = 307,257/x - Step 3: Cross multiply
1,148,639.64x = 1,722,828.84 × 307,257 - Step 4: Simplify right side
1,148,639.64x = 529,351,220,891.88 - Step 5: Solve for x
x = 529,351,220,891.88/1,148,639.64 - Step 6: Final answer
x = 460,850.56
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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.