Finding the Fourth Proportional to 554,970.56, 765,861.36 and 300,321.68
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Solution
The fourth proportional to 554,970.56, 765,861.36 and 300,321.68 is: 414,444.99
Step by Step Solution
- Step 1: Write the proportion equation
554,970.56 : 765,861.36 = 300,321.68 : x - Step 2: Convert to fraction form
554,970.56/765,861.36 = 300,321.68/x - Step 3: Cross multiply
554,970.56x = 765,861.36 × 300,321.68 - Step 4: Simplify right side
554,970.56x = 230,004,770,282.29 - Step 5: Solve for x
x = 230,004,770,282.29/554,970.56 - Step 6: Final answer
x = 414,444.99
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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.