Finding the Fourth Proportional to 444,689.70, 667,698.80 and 438,046.68
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Solution
The fourth proportional to 444,689.70, 667,698.80 and 438,046.68 is: 657,724.35
Step by Step Solution
- Step 1: Write the proportion equation
444,689.70 : 667,698.80 = 438,046.68 : x - Step 2: Convert to fraction form
444,689.70/667,698.80 = 438,046.68/x - Step 3: Cross multiply
444,689.70x = 667,698.80 × 438,046.68 - Step 4: Simplify right side
444,689.70x = 292,483,242,893.62 - Step 5: Solve for x
x = 292,483,242,893.62/444,689.70 - Step 6: Final answer
x = 657,724.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.