Finding the Fourth Proportional to 554,137.23, 764,708.23 and 299,487.81
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Solution
The fourth proportional to 554,137.23, 764,708.23 and 299,487.81 is: 413,292.56
Step by Step Solution
- Step 1: Write the proportion equation
554,137.23 : 764,708.23 = 299,487.81 : x - Step 2: Convert to fraction form
554,137.23/764,708.23 = 299,487.81/x - Step 3: Cross multiply
554,137.23x = 764,708.23 × 299,487.81 - Step 4: Simplify right side
554,137.23x = 229,020,793,091.68 - Step 5: Solve for x
x = 229,020,793,091.68/554,137.23 - Step 6: Final answer
x = 413,292.56
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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.