Finding the Fourth Proportional to 901,493.70, 1,244,022.79 and 493,588.14
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Solution
The fourth proportional to 901,493.70, 1,244,022.79 and 493,588.14 is: 681,130.54
Step by Step Solution
- Step 1: Write the proportion equation
901,493.70 : 1,244,022.79 = 493,588.14 : x - Step 2: Convert to fraction form
901,493.70/1,244,022.79 = 493,588.14/x - Step 3: Cross multiply
901,493.70x = 1,244,022.79 × 493,588.14 - Step 4: Simplify right side
901,493.70x = 614,034,895,033.71 - Step 5: Solve for x
x = 614,034,895,033.71/901,493.70 - Step 6: Final answer
x = 681,130.54
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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.