Finding the Fourth Proportional to 818,676.05, 1,130,241.83 and 547,203.74
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Solution
The fourth proportional to 818,676.05, 1,130,241.83 and 547,203.74 is: 755,454.56
Step by Step Solution
- Step 1: Write the proportion equation
818,676.05 : 1,130,241.83 = 547,203.74 : x - Step 2: Convert to fraction form
818,676.05/1,130,241.83 = 547,203.74/x - Step 3: Cross multiply
818,676.05x = 1,130,241.83 × 547,203.74 - Step 4: Simplify right side
818,676.05x = 618,472,548,093.22 - Step 5: Solve for x
x = 618,472,548,093.22/818,676.05 - Step 6: Final answer
x = 755,454.56
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1.5x scale
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.