Finding the Fourth Proportional to 719,125.76, 1,078,408.28 and 269,601.57
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Solution
The fourth proportional to 719,125.76, 1,078,408.28 and 269,601.57 is: 404,297.25
Step by Step Solution
- Step 1: Write the proportion equation
719,125.76 : 1,078,408.28 = 269,601.57 : x - Step 2: Convert to fraction form
719,125.76/1,078,408.28 = 269,601.57/x - Step 3: Cross multiply
719,125.76x = 1,078,408.28 × 269,601.57 - Step 4: Simplify right side
719,125.76x = 290,740,564,040.99 - Step 5: Solve for x
x = 290,740,564,040.99/719,125.76 - Step 6: Final answer
x = 404,297.25
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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.