Finding the Fourth Proportional to 992,298.94, 1,370,143.87 and 762,493.99
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Solution
The fourth proportional to 992,298.94, 1,370,143.87 and 762,493.99 is: 1,052,834.41
Step by Step Solution
- Step 1: Write the proportion equation
992,298.94 : 1,370,143.87 = 762,493.99 : x - Step 2: Convert to fraction form
992,298.94/1,370,143.87 = 762,493.99/x - Step 3: Cross multiply
992,298.94x = 1,370,143.87 × 762,493.99 - Step 4: Simplify right side
992,298.94x = 1,044,726,459,459.62 - Step 5: Solve for x
x = 1,044,726,459,459.62/992,298.94 - Step 6: Final answer
x = 1,052,834.41
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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.