Finding the Fourth Proportional to 526,773.84, 726,942.36 and 285,051.12
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Solution
The fourth proportional to 526,773.84, 726,942.36 and 285,051.12 is: 393,367.55
Step by Step Solution
- Step 1: Write the proportion equation
526,773.84 : 726,942.36 = 285,051.12 : x - Step 2: Convert to fraction form
526,773.84/726,942.36 = 285,051.12/x - Step 3: Cross multiply
526,773.84x = 726,942.36 × 285,051.12 - Step 4: Simplify right side
526,773.84x = 207,215,733,893.44 - Step 5: Solve for x
x = 207,215,733,893.44/526,773.84 - Step 6: Final answer
x = 393,367.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.