Finding the Fourth Proportional to 1,040,373.99, 1,560,615.12 and 330,457.59
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Solution
The fourth proportional to 1,040,373.99, 1,560,615.12 and 330,457.59 is: 495,703.58
Step by Step Solution
- Step 1: Write the proportion equation
1,040,373.99 : 1,560,615.12 = 330,457.59 : x - Step 2: Convert to fraction form
1,040,373.99/1,560,615.12 = 330,457.59/x - Step 3: Cross multiply
1,040,373.99x = 1,560,615.12 × 330,457.59 - Step 4: Simplify right side
1,040,373.99x = 515,717,111,472.76 - Step 5: Solve for x
x = 515,717,111,472.76/1,040,373.99 - Step 6: Final answer
x = 495,703.58
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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.