Finding the Fourth Proportional to 885,352.36, 1,328,040.37 and 278,120.87
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Solution
The fourth proportional to 885,352.36, 1,328,040.37 and 278,120.87 is: 417,185.02
Step by Step Solution
- Step 1: Write the proportion equation
885,352.36 : 1,328,040.37 = 278,120.87 : x - Step 2: Convert to fraction form
885,352.36/1,328,040.37 = 278,120.87/x - Step 3: Cross multiply
885,352.36x = 1,328,040.37 × 278,120.87 - Step 4: Simplify right side
885,352.36x = 369,355,743,099.52 - Step 5: Solve for x
x = 369,355,743,099.52/885,352.36 - Step 6: Final answer
x = 417,185.02
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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.