Finding the Fourth Proportional to 573,129.20, 857,652.60 and 499,062.80
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Solution
The fourth proportional to 573,129.20, 857,652.60 and 499,062.80 is: 746,816.79
Step by Step Solution
- Step 1: Write the proportion equation
573,129.20 : 857,652.60 = 499,062.80 : x - Step 2: Convert to fraction form
573,129.20/857,652.60 = 499,062.80/x - Step 3: Cross multiply
573,129.20x = 857,652.60 × 499,062.80 - Step 4: Simplify right side
573,129.20x = 428,022,507,983.28 - Step 5: Solve for x
x = 428,022,507,983.28/573,129.20 - Step 6: Final answer
x = 746,816.79
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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.