Finding the Fourth Proportional to 673,721.46, 929,891.97 and 444,320.19
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Solution
The fourth proportional to 673,721.46, 929,891.97 and 444,320.19 is: 613,264.98
Step by Step Solution
- Step 1: Write the proportion equation
673,721.46 : 929,891.97 = 444,320.19 : x - Step 2: Convert to fraction form
673,721.46/929,891.97 = 444,320.19/x - Step 3: Cross multiply
673,721.46x = 929,891.97 × 444,320.19 - Step 4: Simplify right side
673,721.46x = 413,169,776,789.87 - Step 5: Solve for x
x = 413,169,776,789.87/673,721.46 - Step 6: Final answer
x = 613,264.98
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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.