Finding the Fourth Proportional to 921,742.13, 1,271,283.05 and 599,555.12
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Solution
The fourth proportional to 921,742.13, 1,271,283.05 and 599,555.12 is: 826,917.02
Step by Step Solution
- Step 1: Write the proportion equation
921,742.13 : 1,271,283.05 = 599,555.12 : x - Step 2: Convert to fraction form
921,742.13/1,271,283.05 = 599,555.12/x - Step 3: Cross multiply
921,742.13x = 1,271,283.05 × 599,555.12 - Step 4: Simplify right side
921,742.13x = 762,204,256,739.19 - Step 5: Solve for x
x = 762,204,256,739.19/921,742.13 - Step 6: Final answer
x = 826,917.02
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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.