Finding the Fourth Proportional to 790,734.78, 1,091,193.92 and 441,878.18
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Solution
The fourth proportional to 790,734.78, 1,091,193.92 and 441,878.18 is: 609,780.67
Step by Step Solution
- Step 1: Write the proportion equation
790,734.78 : 1,091,193.92 = 441,878.18 : x - Step 2: Convert to fraction form
790,734.78/1,091,193.92 = 441,878.18/x - Step 3: Cross multiply
790,734.78x = 1,091,193.92 × 441,878.18 - Step 4: Simplify right side
790,734.78x = 482,174,783,396.67 - Step 5: Solve for x
x = 482,174,783,396.67/790,734.78 - Step 6: Final answer
x = 609,780.67
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.