Finding the Fourth Proportional to 716,120.96, 988,258.97 and 410,224.09
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Solution
The fourth proportional to 716,120.96, 988,258.97 and 410,224.09 is: 566,116.14
Step by Step Solution
- Step 1: Write the proportion equation
716,120.96 : 988,258.97 = 410,224.09 : x - Step 2: Convert to fraction form
716,120.96/988,258.97 = 410,224.09/x - Step 3: Cross multiply
716,120.96x = 988,258.97 × 410,224.09 - Step 4: Simplify right side
716,120.96x = 405,407,636,652.59 - Step 5: Solve for x
x = 405,407,636,652.59/716,120.96 - Step 6: Final answer
x = 566,116.14
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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.