Finding the Fourth Proportional to 790,197.30, 1,185,175.62 and 257,717.46
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Solution
The fourth proportional to 790,197.30, 1,185,175.62 and 257,717.46 is: 386,536.95
Step by Step Solution
- Step 1: Write the proportion equation
790,197.30 : 1,185,175.62 = 257,717.46 : x - Step 2: Convert to fraction form
790,197.30/1,185,175.62 = 257,717.46/x - Step 3: Cross multiply
790,197.30x = 1,185,175.62 × 257,717.46 - Step 4: Simplify right side
790,197.30x = 305,440,450,440.33 - Step 5: Solve for x
x = 305,440,450,440.33/790,197.30 - Step 6: Final answer
x = 386,536.95
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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.