Finding the Fourth Proportional to 513,983.67, 709,372.04 and 296,149.95
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Solution
The fourth proportional to 513,983.67, 709,372.04 and 296,149.95 is: 408,729.90
Step by Step Solution
- Step 1: Write the proportion equation
513,983.67 : 709,372.04 = 296,149.95 : x - Step 2: Convert to fraction form
513,983.67/709,372.04 = 296,149.95/x - Step 3: Cross multiply
513,983.67x = 709,372.04 × 296,149.95 - Step 4: Simplify right side
513,983.67x = 210,080,491,370.91 - Step 5: Solve for x
x = 210,080,491,370.91/513,983.67 - Step 6: Final answer
x = 408,729.90
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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.