Finding the Fourth Proportional to 771,720.53, 1,157,624.53 and 239,317.25
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Solution
The fourth proportional to 771,720.53, 1,157,624.53 and 239,317.25 is: 358,989.43
Step by Step Solution
- Step 1: Write the proportion equation
771,720.53 : 1,157,624.53 = 239,317.25 : x - Step 2: Convert to fraction form
771,720.53/1,157,624.53 = 239,317.25/x - Step 3: Cross multiply
771,720.53x = 1,157,624.53 × 239,317.25 - Step 4: Simplify right side
771,720.53x = 277,039,512,665.73 - Step 5: Solve for x
x = 277,039,512,665.73/771,720.53 - Step 6: Final answer
x = 358,989.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.