Finding the Fourth Proportional to 605,380.12, 906,631.62 and 304,915.48
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Solution
The fourth proportional to 605,380.12, 906,631.62 and 304,915.48 is: 456,648.65
Step by Step Solution
- Step 1: Write the proportion equation
605,380.12 : 906,631.62 = 304,915.48 : x - Step 2: Convert to fraction form
605,380.12/906,631.62 = 304,915.48/x - Step 3: Cross multiply
605,380.12x = 906,631.62 × 304,915.48 - Step 4: Simplify right side
605,380.12x = 276,446,015,595.48 - Step 5: Solve for x
x = 276,446,015,595.48/605,380.12 - Step 6: Final answer
x = 456,648.65
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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.