Finding the Fourth Proportional to 693,753.47, 1,040,408.73 and 220,328.09
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Solution
The fourth proportional to 693,753.47, 1,040,408.73 and 220,328.09 is: 330,421.79
Step by Step Solution
- Step 1: Write the proportion equation
693,753.47 : 1,040,408.73 = 220,328.09 : x - Step 2: Convert to fraction form
693,753.47/1,040,408.73 = 220,328.09/x - Step 3: Cross multiply
693,753.47x = 1,040,408.73 × 220,328.09 - Step 4: Simplify right side
693,753.47x = 229,231,263,098.18 - Step 5: Solve for x
x = 229,231,263,098.18/693,753.47 - Step 6: Final answer
x = 330,421.79
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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.