Finding the Fourth Proportional to 762,693.62, 1,052,529.48 and 440,431.88
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Solution
The fourth proportional to 762,693.62, 1,052,529.48 and 440,431.88 is: 607,803.09
Step by Step Solution
- Step 1: Write the proportion equation
762,693.62 : 1,052,529.48 = 440,431.88 : x - Step 2: Convert to fraction form
762,693.62/1,052,529.48 = 440,431.88/x - Step 3: Cross multiply
762,693.62x = 1,052,529.48 × 440,431.88 - Step 4: Simplify right side
762,693.62x = 463,567,540,263.15 - Step 5: Solve for x
x = 463,567,540,263.15/762,693.62 - Step 6: Final answer
x = 607,803.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.