Finding the Fourth Proportional to 753,783.99, 1,040,310.35 and 447,862.87
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Solution
The fourth proportional to 753,783.99, 1,040,310.35 and 447,862.87 is: 618,103.31
Step by Step Solution
- Step 1: Write the proportion equation
753,783.99 : 1,040,310.35 = 447,862.87 : x - Step 2: Convert to fraction form
753,783.99/1,040,310.35 = 447,862.87/x - Step 3: Cross multiply
753,783.99x = 1,040,310.35 × 447,862.87 - Step 4: Simplify right side
753,783.99x = 465,916,379,041.70 - Step 5: Solve for x
x = 465,916,379,041.70/753,783.99 - Step 6: Final answer
x = 618,103.31
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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.