Finding the Fourth Proportional to 855,635.76, 1,180,786.68 and 473,668.92
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Solution
The fourth proportional to 855,635.76, 1,180,786.68 and 473,668.92 is: 653,668.28
Step by Step Solution
- Step 1: Write the proportion equation
855,635.76 : 1,180,786.68 = 473,668.92 : x - Step 2: Convert to fraction form
855,635.76/1,180,786.68 = 473,668.92/x - Step 3: Cross multiply
855,635.76x = 1,180,786.68 × 473,668.92 - Step 4: Simplify right side
855,635.76x = 559,301,951,465.99 - Step 5: Solve for x
x = 559,301,951,465.99/855,635.76 - Step 6: Final answer
x = 653,668.28
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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.