Finding the Fourth Proportional to 610,794.41, 842,997.46 and 338,949.62
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Solution
The fourth proportional to 610,794.41, 842,997.46 and 338,949.62 is: 467,806.62
Step by Step Solution
- Step 1: Write the proportion equation
610,794.41 : 842,997.46 = 338,949.62 : x - Step 2: Convert to fraction form
610,794.41/842,997.46 = 338,949.62/x - Step 3: Cross multiply
610,794.41x = 842,997.46 × 338,949.62 - Step 4: Simplify right side
610,794.41x = 285,733,669,140.71 - Step 5: Solve for x
x = 285,733,669,140.71/610,794.41 - Step 6: Final answer
x = 467,806.62
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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.