Finding the Fourth Proportional to 802,749.12, 1,107,806.24 and 440,206.08
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Solution
The fourth proportional to 802,749.12, 1,107,806.24 and 440,206.08 is: 607,491.22
Step by Step Solution
- Step 1: Write the proportion equation
802,749.12 : 1,107,806.24 = 440,206.08 : x - Step 2: Convert to fraction form
802,749.12/1,107,806.24 = 440,206.08/x - Step 3: Cross multiply
802,749.12x = 1,107,806.24 × 440,206.08 - Step 4: Simplify right side
802,749.12x = 487,663,042,309.94 - Step 5: Solve for x
x = 487,663,042,309.94/802,749.12 - Step 6: Final answer
x = 607,491.22
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.