Finding the Fourth Proportional to 505,818.60, 697,737.42 and 324,466.08
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Solution
The fourth proportional to 505,818.60, 697,737.42 and 324,466.08 is: 447,575.72
Step by Step Solution
- Step 1: Write the proportion equation
505,818.60 : 697,737.42 = 324,466.08 : x - Step 2: Convert to fraction form
505,818.60/697,737.42 = 324,466.08/x - Step 3: Cross multiply
505,818.60x = 697,737.42 × 324,466.08 - Step 4: Simplify right side
505,818.60x = 226,392,125,536.71 - Step 5: Solve for x
x = 226,392,125,536.71/505,818.60 - Step 6: Final answer
x = 447,575.72
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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.