Finding the Fourth Proportional to 948,183.36, 1,422,276.44 and 387,217.88
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Solution
The fourth proportional to 948,183.36, 1,422,276.44 and 387,217.88 is: 580,827.39
Step by Step Solution
- Step 1: Write the proportion equation
948,183.36 : 1,422,276.44 = 387,217.88 : x - Step 2: Convert to fraction form
948,183.36/1,422,276.44 = 387,217.88/x - Step 3: Cross multiply
948,183.36x = 1,422,276.44 × 387,217.88 - Step 4: Simplify right side
948,183.36x = 550,730,867,870.75 - Step 5: Solve for x
x = 550,730,867,870.75/948,183.36 - Step 6: Final answer
x = 580,827.39
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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.