Finding the Fourth Proportional to 626,704.38, 864,852.65 and 340,224.39
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Solution
The fourth proportional to 626,704.38, 864,852.65 and 340,224.39 is: 469,509.99
Step by Step Solution
- Step 1: Write the proportion equation
626,704.38 : 864,852.65 = 340,224.39 : x - Step 2: Convert to fraction form
626,704.38/864,852.65 = 340,224.39/x - Step 3: Cross multiply
626,704.38x = 864,852.65 × 340,224.39 - Step 4: Simplify right side
626,704.38x = 294,243,965,286.13 - Step 5: Solve for x
x = 294,243,965,286.13/626,704.38 - Step 6: Final answer
x = 469,509.99
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1.5x scale
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.