Finding the Fourth Proportional to 550,351.64, 824,361.06 and 415,749.08
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Solution
The fourth proportional to 550,351.64, 824,361.06 and 415,749.08 is: 622,742.49
Step by Step Solution
- Step 1: Write the proportion equation
550,351.64 : 824,361.06 = 415,749.08 : x - Step 2: Convert to fraction form
550,351.64/824,361.06 = 415,749.08/x - Step 3: Cross multiply
550,351.64x = 824,361.06 × 415,749.08 - Step 4: Simplify right side
550,351.64x = 342,727,352,282.83 - Step 5: Solve for x
x = 342,727,352,282.83/550,351.64 - Step 6: Final answer
x = 622,742.49
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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.