Finding the Fourth Proportional to 854,452, 1,281,765.76 and 322,420.80
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Solution
The fourth proportional to 854,452, 1,281,765.76 and 322,420.80 is: 483,664.32
Step by Step Solution
- Step 1: Write the proportion equation
854,452 : 1,281,765.76 = 322,420.80 : x - Step 2: Convert to fraction form
854,452/1,281,765.76 = 322,420.80/x - Step 3: Cross multiply
854,452x = 1,281,765.76 × 322,420.80 - Step 4: Simplify right side
854,452x = 413,267,941,751.81 - Step 5: Solve for x
x = 413,267,941,751.81/854,452 - Step 6: Final answer
x = 483,664.32
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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.