Finding the Fourth Proportional to 605,660.20, 908,490.30 and 511,181.80
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Solution
The fourth proportional to 605,660.20, 908,490.30 and 511,181.80 is: 766,772.70
Step by Step Solution
- Step 1: Write the proportion equation
605,660.20 : 908,490.30 = 511,181.80 : x - Step 2: Convert to fraction form
605,660.20/908,490.30 = 511,181.80/x - Step 3: Cross multiply
605,660.20x = 908,490.30 × 511,181.80 - Step 4: Simplify right side
605,660.20x = 464,403,706,836.54 - Step 5: Solve for x
x = 464,403,706,836.54/605,660.20 - Step 6: Final answer
x = 766,772.70
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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.