Finding the Fourth Proportional to 702,971.46, 1,054,239.10 and 253,634.09
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Solution
The fourth proportional to 702,971.46, 1,054,239.10 and 253,634.09 is: 380,372.44
Step by Step Solution
- Step 1: Write the proportion equation
702,971.46 : 1,054,239.10 = 253,634.09 : x - Step 2: Convert to fraction form
702,971.46/1,054,239.10 = 253,634.09/x - Step 3: Cross multiply
702,971.46x = 1,054,239.10 × 253,634.09 - Step 4: Simplify right side
702,971.46x = 267,390,968,865.64 - Step 5: Solve for x
x = 267,390,968,865.64/702,971.46 - Step 6: Final answer
x = 380,372.44
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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.