Finding the Fourth Proportional to 798,673.04, 1,102,213.36 and 436,130.56
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Solution
The fourth proportional to 798,673.04, 1,102,213.36 and 436,130.56 is: 601,884.51
Step by Step Solution
- Step 1: Write the proportion equation
798,673.04 : 1,102,213.36 = 436,130.56 : x - Step 2: Convert to fraction form
798,673.04/1,102,213.36 = 436,130.56/x - Step 3: Cross multiply
798,673.04x = 1,102,213.36 × 436,130.56 - Step 4: Simplify right side
798,673.04x = 480,708,929,936.28 - Step 5: Solve for x
x = 480,708,929,936.28/798,673.04 - Step 6: Final answer
x = 601,884.51
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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.