Finding the Fourth Proportional to 890,877.78, 1,336,539.66 and 259,791.66
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Solution
The fourth proportional to 890,877.78, 1,336,539.66 and 259,791.66 is: 389,752.52
Step by Step Solution
- Step 1: Write the proportion equation
890,877.78 : 1,336,539.66 = 259,791.66 : x - Step 2: Convert to fraction form
890,877.78/1,336,539.66 = 259,791.66/x - Step 3: Cross multiply
890,877.78x = 1,336,539.66 × 259,791.66 - Step 4: Simplify right side
890,877.78x = 347,221,856,927.24 - Step 5: Solve for x
x = 347,221,856,927.24/890,877.78 - Step 6: Final answer
x = 389,752.52
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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.