Finding the Fourth Proportional to 490,622.68, 676,998.64 and 283,926.52
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Solution
The fourth proportional to 490,622.68, 676,998.64 and 283,926.52 is: 391,783.49
Step by Step Solution
- Step 1: Write the proportion equation
490,622.68 : 676,998.64 = 283,926.52 : x - Step 2: Convert to fraction form
490,622.68/676,998.64 = 283,926.52/x - Step 3: Cross multiply
490,622.68x = 676,998.64 × 283,926.52 - Step 4: Simplify right side
490,622.68x = 192,217,867,899.93 - Step 5: Solve for x
x = 192,217,867,899.93/490,622.68 - Step 6: Final answer
x = 391,783.49
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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.