Finding the Fourth Proportional to 771,623.20, 1,157,617.14 and 322,094.26
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Solution
The fourth proportional to 771,623.20, 1,157,617.14 and 322,094.26 is: 483,217.50
Step by Step Solution
- Step 1: Write the proportion equation
771,623.20 : 1,157,617.14 = 322,094.26 : x - Step 2: Convert to fraction form
771,623.20/1,157,617.14 = 322,094.26/x - Step 3: Cross multiply
771,623.20x = 1,157,617.14 × 322,094.26 - Step 4: Simplify right side
771,623.20x = 372,861,836,071.62 - Step 5: Solve for x
x = 372,861,836,071.62/771,623.20 - Step 6: Final answer
x = 483,217.50
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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.