Finding the Fourth Proportional to 886,971.92, 1,224,020.84 and 479,073.68
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Solution
The fourth proportional to 886,971.92, 1,224,020.84 and 479,073.68 is: 661,121.46
Step by Step Solution
- Step 1: Write the proportion equation
886,971.92 : 1,224,020.84 = 479,073.68 : x - Step 2: Convert to fraction form
886,971.92/1,224,020.84 = 479,073.68/x - Step 3: Cross multiply
886,971.92x = 1,224,020.84 × 479,073.68 - Step 4: Simplify right side
886,971.92x = 586,396,168,215.49 - Step 5: Solve for x
x = 586,396,168,215.49/886,971.92 - Step 6: Final answer
x = 661,121.46
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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.