Finding the Fourth Proportional to 763,725.44, 1,145,735.68 and 290,374.00
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Solution
The fourth proportional to 763,725.44, 1,145,735.68 and 290,374.00 is: 435,617.08
Step by Step Solution
- Step 1: Write the proportion equation
763,725.44 : 1,145,735.68 = 290,374.00 : x - Step 2: Convert to fraction form
763,725.44/1,145,735.68 = 290,374.00/x - Step 3: Cross multiply
763,725.44x = 1,145,735.68 × 290,374.00 - Step 4: Simplify right side
763,725.44x = 332,691,846,615.64 - Step 5: Solve for x
x = 332,691,846,615.64/763,725.44 - Step 6: Final answer
x = 435,617.08
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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.