Finding the Fourth Proportional to 538,628.68, 743,312.66 and 296,919.92
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Solution
The fourth proportional to 538,628.68, 743,312.66 and 296,919.92 is: 409,752.29
Step by Step Solution
- Step 1: Write the proportion equation
538,628.68 : 743,312.66 = 296,919.92 : x - Step 2: Convert to fraction form
538,628.68/743,312.66 = 296,919.92/x - Step 3: Cross multiply
538,628.68x = 743,312.66 × 296,919.92 - Step 4: Simplify right side
538,628.68x = 220,704,335,542.19 - Step 5: Solve for x
x = 220,704,335,542.19/538,628.68 - Step 6: Final answer
x = 409,752.29
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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.