Finding the Fourth Proportional to 538,626.68, 743,309.90 and 296,917.91
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Solution
The fourth proportional to 538,626.68, 743,309.90 and 296,917.91 is: 409,749.52
Step by Step Solution
- Step 1: Write the proportion equation
538,626.68 : 743,309.90 = 296,917.91 : x - Step 2: Convert to fraction form
538,626.68/743,309.90 = 296,917.91/x - Step 3: Cross multiply
538,626.68x = 743,309.90 × 296,917.91 - Step 4: Simplify right side
538,626.68x = 220,702,021,990.31 - Step 5: Solve for x
x = 220,702,021,990.31/538,626.68 - Step 6: Final answer
x = 409,749.52
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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.