Finding the Fourth Proportional to 823,653.36, 1,235,130.12 and 283,968.72
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Solution
The fourth proportional to 823,653.36, 1,235,130.12 and 283,968.72 is: 425,832.44
Step by Step Solution
- Step 1: Write the proportion equation
823,653.36 : 1,235,130.12 = 283,968.72 : x - Step 2: Convert to fraction form
823,653.36/1,235,130.12 = 283,968.72/x - Step 3: Cross multiply
823,653.36x = 1,235,130.12 × 283,968.72 - Step 4: Simplify right side
823,653.36x = 350,738,319,209.85 - Step 5: Solve for x
x = 350,738,319,209.85/823,653.36 - Step 6: Final answer
x = 425,832.44
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1.5x scale
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.