Finding the Fourth Proportional to 794,381.99, 1,096,259.87 and 431,806.55
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Solution
The fourth proportional to 794,381.99, 1,096,259.87 and 431,806.55 is: 595,899.95
Step by Step Solution
- Step 1: Write the proportion equation
794,381.99 : 1,096,259.87 = 431,806.55 : x - Step 2: Convert to fraction form
794,381.99/1,096,259.87 = 431,806.55/x - Step 3: Cross multiply
794,381.99x = 1,096,259.87 × 431,806.55 - Step 4: Simplify right side
794,381.99x = 473,372,187,966.37 - Step 5: Solve for x
x = 473,372,187,966.37/794,381.99 - Step 6: Final answer
x = 595,899.95
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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.