Finding the Fourth Proportional to 1,040,351.08, 1,560,580.50 and 330,434.68
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Solution
The fourth proportional to 1,040,351.08, 1,560,580.50 and 330,434.68 is: 495,669.13
Step by Step Solution
- Step 1: Write the proportion equation
1,040,351.08 : 1,560,580.50 = 330,434.68 : x - Step 2: Convert to fraction form
1,040,351.08/1,560,580.50 = 330,434.68/x - Step 3: Cross multiply
1,040,351.08x = 1,560,580.50 × 330,434.68 - Step 4: Simplify right side
1,040,351.08x = 515,669,918,131.74 - Step 5: Solve for x
x = 515,669,918,131.74/1,040,351.08 - Step 6: Final answer
x = 495,669.13
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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.