Finding the Fourth Proportional to 759,645.44, 1,138,664.64 and 286,125.92
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Solution
The fourth proportional to 759,645.44, 1,138,664.64 and 286,125.92 is: 428,886.23
Step by Step Solution
- Step 1: Write the proportion equation
759,645.44 : 1,138,664.64 = 286,125.92 : x - Step 2: Convert to fraction form
759,645.44/1,138,664.64 = 286,125.92/x - Step 3: Cross multiply
759,645.44x = 1,138,664.64 × 286,125.92 - Step 4: Simplify right side
759,645.44x = 325,801,467,691.47 - Step 5: Solve for x
x = 325,801,467,691.47/759,645.44 - Step 6: Final answer
x = 428,886.23
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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.