Finding the Fourth Proportional to 748,592.74, 1,122,653.60 and 243,036.91
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Solution
The fourth proportional to 748,592.74, 1,122,653.60 and 243,036.91 is: 364,478.90
Step by Step Solution
- Step 1: Write the proportion equation
748,592.74 : 1,122,653.60 = 243,036.91 : x - Step 2: Convert to fraction form
748,592.74/1,122,653.60 = 243,036.91/x - Step 3: Cross multiply
748,592.74x = 1,122,653.60 × 243,036.91 - Step 4: Simplify right side
748,592.74x = 272,846,261,944.38 - Step 5: Solve for x
x = 272,846,261,944.38/748,592.74 - Step 6: Final answer
x = 364,478.90
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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.