Finding the Fourth Proportional to 835,720.74, 1,254,079.08 and 303,283.26
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Solution
The fourth proportional to 835,720.74, 1,254,079.08 and 303,283.26 is: 455,105.60
Step by Step Solution
- Step 1: Write the proportion equation
835,720.74 : 1,254,079.08 = 303,283.26 : x - Step 2: Convert to fraction form
835,720.74/1,254,079.08 = 303,283.26/x - Step 3: Cross multiply
835,720.74x = 1,254,079.08 × 303,283.26 - Step 4: Simplify right side
835,720.74x = 380,341,191,680.20 - Step 5: Solve for x
x = 380,341,191,680.20/835,720.74 - Step 6: Final answer
x = 455,105.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.