Finding the Fourth Proportional to 930,371.20, 1,394,670.84 and 298,842.28
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Solution
The fourth proportional to 930,371.20, 1,394,670.84 and 298,842.28 is: 447,978.84
Step by Step Solution
- Step 1: Write the proportion equation
930,371.20 : 1,394,670.84 = 298,842.28 : x - Step 2: Convert to fraction form
930,371.20/1,394,670.84 = 298,842.28/x - Step 3: Cross multiply
930,371.20x = 1,394,670.84 × 298,842.28 - Step 4: Simplify right side
930,371.20x = 416,786,613,675.12 - Step 5: Solve for x
x = 416,786,613,675.12/930,371.20 - Step 6: Final answer
x = 447,978.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.