Finding the Fourth Proportional to 674,055.92, 929,769.99 and 512,556.90
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Solution
The fourth proportional to 674,055.92, 929,769.99 and 512,556.90 is: 707,003.70
Step by Step Solution
- Step 1: Write the proportion equation
674,055.92 : 929,769.99 = 512,556.90 : x - Step 2: Convert to fraction form
674,055.92/929,769.99 = 512,556.90/x - Step 3: Cross multiply
674,055.92x = 929,769.99 × 512,556.90 - Step 4: Simplify right side
674,055.92x = 476,560,023,787.43 - Step 5: Solve for x
x = 476,560,023,787.43/674,055.92 - Step 6: Final answer
x = 707,003.70
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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.