Finding the Fourth Proportional to 939,274.92, 1,297,120.12 and 649,628.64
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Solution
The fourth proportional to 939,274.92, 1,297,120.12 and 649,628.64 is: 897,124.33
Step by Step Solution
- Step 1: Write the proportion equation
939,274.92 : 1,297,120.12 = 649,628.64 : x - Step 2: Convert to fraction form
939,274.92/1,297,120.12 = 649,628.64/x - Step 3: Cross multiply
939,274.92x = 1,297,120.12 × 649,628.64 - Step 4: Simplify right side
939,274.92x = 842,646,379,472.24 - Step 5: Solve for x
x = 842,646,379,472.24/939,274.92 - Step 6: Final answer
x = 897,124.33
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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.