Finding the Fourth Proportional to 685,229.06, 1,027,252.56 and 329,754.08
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Solution
The fourth proportional to 685,229.06, 1,027,252.56 and 329,754.08 is: 494,346.70
Step by Step Solution
- Step 1: Write the proportion equation
685,229.06 : 1,027,252.56 = 329,754.08 : x - Step 2: Convert to fraction form
685,229.06/1,027,252.56 = 329,754.08/x - Step 3: Cross multiply
685,229.06x = 1,027,252.56 × 329,754.08 - Step 4: Simplify right side
685,229.06x = 338,740,722,850.45 - Step 5: Solve for x
x = 338,740,722,850.45/685,229.06 - Step 6: Final answer
x = 494,346.70
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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.