Finding the Fourth Proportional to 775,636.74, 1,163,421.27 and 243,145.62
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Solution
The fourth proportional to 775,636.74, 1,163,421.27 and 243,145.62 is: 364,707.82
Step by Step Solution
- Step 1: Write the proportion equation
775,636.74 : 1,163,421.27 = 243,145.62 : x - Step 2: Convert to fraction form
775,636.74/1,163,421.27 = 243,145.62/x - Step 3: Cross multiply
775,636.74x = 1,163,421.27 × 243,145.62 - Step 4: Simplify right side
775,636.74x = 282,880,786,015.34 - Step 5: Solve for x
x = 282,880,786,015.34/775,636.74 - Step 6: Final answer
x = 364,707.82
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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.