Finding the Fourth Proportional to 668,919.44, 1,003,532.37 and 289,903.75
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Solution
The fourth proportional to 668,919.44, 1,003,532.37 and 289,903.75 is: 434,922.02
Step by Step Solution
- Step 1: Write the proportion equation
668,919.44 : 1,003,532.37 = 289,903.75 : x - Step 2: Convert to fraction form
668,919.44/1,003,532.37 = 289,903.75/x - Step 3: Cross multiply
668,919.44x = 1,003,532.37 × 289,903.75 - Step 4: Simplify right side
668,919.44x = 290,927,792,291.73 - Step 5: Solve for x
x = 290,927,792,291.73/668,919.44 - Step 6: Final answer
x = 434,922.02
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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.