Finding the Fourth Proportional to 748,713.80, 1,122,544.68 and 262,276.94
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Solution
The fourth proportional to 748,713.80, 1,122,544.68 and 262,276.94 is: 393,231.14
Step by Step Solution
- Step 1: Write the proportion equation
748,713.80 : 1,122,544.68 = 262,276.94 : x - Step 2: Convert to fraction form
748,713.80/1,122,544.68 = 262,276.94/x - Step 3: Cross multiply
748,713.80x = 1,122,544.68 × 262,276.94 - Step 4: Simplify right side
748,713.80x = 294,417,583,683.68 - Step 5: Solve for x
x = 294,417,583,683.68/748,713.80 - Step 6: Final answer
x = 393,231.14
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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.