Finding the Fourth Proportional to 1,003,181.99, 1,504,456.88 and 329,106.21
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Solution
The fourth proportional to 1,003,181.99, 1,504,456.88 and 329,106.21 is: 493,555.61
Step by Step Solution
- Step 1: Write the proportion equation
1,003,181.99 : 1,504,456.88 = 329,106.21 : x - Step 2: Convert to fraction form
1,003,181.99/1,504,456.88 = 329,106.21/x - Step 3: Cross multiply
1,003,181.99x = 1,504,456.88 × 329,106.21 - Step 4: Simplify right side
1,003,181.99x = 495,126,100,239.69 - Step 5: Solve for x
x = 495,126,100,239.69/1,003,181.99 - Step 6: Final answer
x = 493,555.61
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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.