Finding the Fourth Proportional to 741,698.20, 1,106,312.09 and 673,586.74
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Solution
The fourth proportional to 741,698.20, 1,106,312.09 and 673,586.74 is: 1,004,717.49
Step by Step Solution
- Step 1: Write the proportion equation
741,698.20 : 1,106,312.09 = 673,586.74 : x - Step 2: Convert to fraction form
741,698.20/1,106,312.09 = 673,586.74/x - Step 3: Cross multiply
741,698.20x = 1,106,312.09 × 673,586.74 - Step 4: Simplify right side
741,698.20x = 745,197,154,125.69 - Step 5: Solve for x
x = 745,197,154,125.69/741,698.20 - Step 6: Final answer
x = 1,004,717.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.