Finding the Fourth Proportional to 642,906.21, 964,291.64 and 263,866.98
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Solution
The fourth proportional to 642,906.21, 964,291.64 and 263,866.98 is: 395,772.70
Step by Step Solution
- Step 1: Write the proportion equation
642,906.21 : 964,291.64 = 263,866.98 : x - Step 2: Convert to fraction form
642,906.21/964,291.64 = 263,866.98/x - Step 3: Cross multiply
642,906.21x = 964,291.64 × 263,866.98 - Step 4: Simplify right side
642,906.21x = 254,444,725,182.81 - Step 5: Solve for x
x = 254,444,725,182.81/642,906.21 - Step 6: Final answer
x = 395,772.70
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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.