Finding the Fourth Proportional to 945,671.99, 1,305,031.57 and 515,961.11
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Solution
The fourth proportional to 945,671.99, 1,305,031.57 and 515,961.11 is: 712,028.64
Step by Step Solution
- Step 1: Write the proportion equation
945,671.99 : 1,305,031.57 = 515,961.11 : x - Step 2: Convert to fraction form
945,671.99/1,305,031.57 = 515,961.11/x - Step 3: Cross multiply
945,671.99x = 1,305,031.57 × 515,961.11 - Step 4: Simplify right side
945,671.99x = 673,345,539,414.92 - Step 5: Solve for x
x = 673,345,539,414.92/945,671.99 - Step 6: Final answer
x = 712,028.64
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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.