Finding the Fourth Proportional to 589,234.80, 813,149.52 and 334,591.28
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Solution
The fourth proportional to 589,234.80, 813,149.52 and 334,591.28 is: 461,739.09
Step by Step Solution
- Step 1: Write the proportion equation
589,234.80 : 813,149.52 = 334,591.28 : x - Step 2: Convert to fraction form
589,234.80/813,149.52 = 334,591.28/x - Step 3: Cross multiply
589,234.80x = 813,149.52 × 334,591.28 - Step 4: Simplify right side
589,234.80x = 272,072,738,728.19 - Step 5: Solve for x
x = 272,072,738,728.19/589,234.80 - Step 6: Final answer
x = 461,739.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.