Finding the Fourth Proportional to 589,620.68, 813,677.28 and 321,348.68
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Solution
The fourth proportional to 589,620.68, 813,677.28 and 321,348.68 is: 443,461.58
Step by Step Solution
- Step 1: Write the proportion equation
589,620.68 : 813,677.28 = 321,348.68 : x - Step 2: Convert to fraction form
589,620.68/813,677.28 = 321,348.68/x - Step 3: Cross multiply
589,620.68x = 813,677.28 × 321,348.68 - Step 4: Simplify right side
589,620.68x = 261,474,119,873.99 - Step 5: Solve for x
x = 261,474,119,873.99/589,620.68 - Step 6: Final answer
x = 443,461.58
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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.